Stable carbon- (delta(13)C), nitrogen- (delta(15)N) and hydrogen (delta D) isotope profiles in feathers of migratory Great Reed Warblers Acrocephalus arundinaceus recaptured for 2 or more years in 6 successive years were examined to test whether the isotope profiles of individual warblers appeared to be consistent between years. Similar isotopic signatures in successive years suggested that individual birds tended to return and grow their feathers in Afro-tropical wintering habitats that generate similar delta(13)C, delta(15)N and delta D signatures. Previous studies have shown that Great Reed Warblers exhibit strong natal and breeding philopatry, with most of the surviving birds returning to the breeding site. The present study of feather delta(13)C, delta(15)N and delta D isotopic values demonstrate the year-to-year fidelity might also include the African moulting sites in this migratory species ...
The sex of 746 great reed warbler fledglings (from 175 broods) was determined by the use of single primer polymerase-chain reaction. The reliability of the technique was confirmed as 104 of the fledglings were subsequently recorded as adults of known sex. The overall sex ratio did not differ from unity. Variation in sex ratios between broods was larger than expected from a binomial distribution. Female identity explained some of the variation of brood sex ratio indicating that certain females consistently produced sex ratios that departed from the average value in the population. The theory of sex allocation predicts that parents should adjust the sex ratio of their brood to the relative value of sons and daughters and this may vary in relation to the quality of the parents or to the time of breeding. In the great reed warbler, the proportion of sons was not related to time of breeding, or to any of five female variables. Of five male variables, males with early arrival date tended to produce ...
TY - JOUR. T1 - Host intra-clutch variation, cuckoo egg matching and egg rejection by great reed warblers. AU - Cherry, Michael I.. AU - Bennett, Andrew T D. AU - Moskát, C.. PY - 2007/6. Y1 - 2007/6. N2 - Prevailing theory predicts that lower levels of intra-clutch variation in host eggs facilitate the detection of brood parasitism. We assessed egg matching using both human vision and UV-VIS spectrophotometry and then followed the nest fate of great reed warblers naturally parasitised by European cuckoos. Rejection was predicted by the following three variables: matching between cuckoo and host eggs on the main chromatic variable defined by principal components analysis of the egg spectra (which has a strong loading in the UV); the number of host eggs in the nest; and human estimates of intra-clutch variation. The first variable is not correlated to human estimates of matching, which do not predict rejection. In line with another recent study, rejection rates were predicted by higher levels of ...
Atlas pied flycatcher or Atlas flycatcher (Ficedula speculigera) is a bird in an Old World flycatcher family, one of the four species of Western Palearctic black-and-white flycatchers; it is endemic as a breeding species to North-west Africa. It was formerly regarded as a race of European pied flycatcher, but Sætre et al. (2001) recommended that it is regarded as a species in its own right. Identification is covered in Etherington and Small (2003) and van den Berg et al. (2006). Etherington, Graham and Brian Small (2003) Taxonomy and identification of Atlas Flycatcher - a potential British vagrant Birding World 16:252-256 Sætre, G-P., T. Borge and T. Moum (2001) A new bird species? The taxonomic status of the Atlas Flycatcher assessed from DNA sequence analysis. Ibis 143:494-497 van den Berg, Arnoud and the Sound Approach (2006) Phenology and identification of Atlas and Iberian Pied Flycatchers Dutch Birding 28(1):1-6 "Ficedula speculigera". Avibase ...
Dark-eyed Juncos are neat, even flashy little sparrows that flit about forest floors of the western mountains and Canada, then flood the rest of North America for winter. Theyre easy to recognize by their crisp (though extremely variable) markings and the bright white tail feathers they habitually flash in flight. One of the most abundant forest birds of North America, youll see juncos on woodland walks as well as in flocks at your feeders or on the ground beneath them.
behaviour and the neural systems controlling behaviour. Songbirds, along with humans, are one of only six animal groups (including bats, parrots, hummingbirds, and cetaceous whales and dolphins) that are known to exhibit vocal learning. Furthermore, songbirds possess a highly-evolved network of interconnected brain regions controlling vocal learning, vocal perception and vocal production. As such, songbirds allow researchers a unique opportunity to directly study vocal communication at the interface between brain and behaviour. The SNL studies the cognitive, neurobiological and behavioural substrates underlying songbirds highly evolved and specialized suite of communication behaviours. Current research focuses on vocal communication in one particular group of songbirds, the chickadees (e.g., Black-capped, Boreal, Carolina, Chestnut-backed, and Mountain chickadees).. Research in the SNL is currently aimed at understanding the cognitive, perceptual, evolutionary, developmental, and neural bases ...
Observed this leucitic Dark-eyed Junco most recently during my last count. Merlin ID identified it correctly but I had to research further to be sure. Being new to identifying the birds Im seeing I had no idea. Never seen one like this before.. ...
By Maxine Tinney As winter approaches in central Arizona, the common Dark-eyed Junco sometimes congregate along with other sparrows and warblers in coniferous forests. They may be seen pecking in leaf litter or searching for food in the underbrush. In backyards with feeders, theyre hopping and foraging on the ground for millet, sunflower seeds, and corn. A sudden movement or flash of noise may send the flock flying to nearby trees flashing their bright white tail feathers. In general, the Dark-eyed Juncos have a pale pinkish bill, gray/black heads, gray or brown backs and wings, gray/brown/pinkish flanks, and gray necks and breasts with a white belly. The Dark-eyed Junco species (Junco hyemalis) of the sparrow family in Yavapai County may consist of at least five recognizable populations or subspecies based on different sizes and colorations, genetics of the birds, how the bird communicates, and the frequency of hybridization. The smallest subspecies is the Oregon with dull gray or black head, ...
Depending on the exact population, the house wrens clutch is usually between two and eight red-blotched cream-white eggs,[13] weighing about 1.4 g (0.049 oz) each and measuring c.17 and 13.4 mm (0.67 and 0.53 in) at the widest points. Only the female incubates these, for around 12-19 days,[13] and she will every now and then leave the nest for various reasons. While she is on the nest, the male provisions her with food. The young, which like all passerines hatch almost naked and helpless, take another 15-19 days or so to fledge[14]. They are being fed by both parents, and need plenty of food given their tiny size (see also Bergmanns Rule). As the young near fledging, the parents spend much of their time procuring food for them. Brood loss due to predation was found to be light in the Southern Andean Yungas, with predation of nestling young being almost insignificant.[15] Known predators of house wrens at the nest include cats, rats, opossums, woodpeckers, foxes, raccoons, squirrels, snakes and ...
Estrogen, when present in early embryonic development, regulates sexual differentiation in the avian nestling and adult. In this study, I developed a procedure to extract and quantify levels (by radioimmunoassay) of the estrogen, 17[beta]-estradiol, in house wren (Troglodytes aedon) egg yolk. Levels of 17[beta]-estradiol found in one clutch of eggs increased with the order of laying, indicating female house wrens may be capable of regulating the levels of 17[beta]-estradiol received by the offspring. Since the attraction of mates is often aided by the display of sex differences, maternal control of 17[beta]-estradiol levels in the embryo may influence the future reproductive success of her offspring.
Eggs. More than 100 host species have been recorded: Meadow Pipit, Dunnock and Eurasian Reed Warbler are the most common hosts in northern Europe; Garden Warbler, Meadow Pipit, Pied Wagtail and European Robin in central Europe; Brambling and Common Redstart in Finland; and Great Reed Warbler in Hungary.[3]. Female Common Cuckoos are divided into gentes - populations favouring a particular host species nest and laying eggs which match those of that species in colour and pattern. The colour pattern is inherited from the female only, suggesting that it is carried on the sex-determining W chromosome (females are WZ, males ZZ). Male Common Cuckoos breed with females without regard to gens. This results in gene flow between the gentes and maintains a common gene pool for the species (except for the genes on the W chromosome). It is notable that most non-parasitic cuckoo species lay white eggs, like most non-passerines other than ground-nesters.. As the Common Cuckoo evolves to lay eggs which are ...
Were all aware these days of the many ways that the genders are treated differently amongst humans. Similarly, I have noticed lately that bird photographers also tend to treat the genders differently. Google "Red-winged Blackbird" and take a look at the images. Nineteen of the first twenty photos that come up are of male Red-winged Blackbirds. This is much the same with other birds; the brightly colored and patterned males are much more likely to be photographed and identified than the less ostentatious females. It is possible to ascribe this imbalance to a natural preference for bright colors and sharp contrasts but this begs the question as to why that should be the case. Anyway, to redress the balance a little here are two photos of female birds: above is a female Red-winged Blackbird and below is a female Northern Flicker ...
Metaller är grundämnen som inte kan bildas eller förstöras av människan. De förekommer i mineraler i berggrunden och finns överallt på jorden. Människans användning av metaller har dock medfört att de återfinns i högre halter i miljön än de annars skulle gjort.. Trots att metallerna kan spridas och transporteras långa sträckor med luftmassorna, är det främst kring källorna, såsom metallindustrier, man kan hitta metaller i tillräckligt höga halter för att orsaka skada på växter och djur. I denna avhandling presenteras undersökningar av hur svartvit flugsnappare (Ficedula hypoleuca) påverkas kring två metallindustrier i norra Sverige. Det ena är en numera nedlagd blygruva med anrikningsverk i Laisvall, där vi studerade populationer av svartvit flugsnappare före och efter att industrin stängdes. Det andra är smältverket Rönnskärsverken, utanför Skelleftehamn, som varit i drift sedan 1930-talet. I föroreningsgradienten från smältverket studerades effekter av ...
by Vetscite. Adult songbirds modify their vocalizations when singing to juveniles in the same way that humans alter their speech when talking to babies. The resulting brain activity in young birds could shed light on speech learning and certain developmental disorders in humans, according to a study by McGill University researchers.. Lead author Jon Sakata, a professor of neurobiology at McGill, says that songbirds learn vocalizations like humans learn speech. "Songbirds first listen to and memorize the sound of adult songs and then undergo a period of vocal practice-in essence, babbling-to master the production of song.". Researchers have been studying song learning in birds for some time. But the degree to which social interaction with adult birds contributes to that learning has been unclear. Thats because, unlike this current work, past studies didnt control for the time exposed to song and the presence of other birds.. In this study, published in the journal Proceedings of the National ...
2.4.1.251 GlcA-beta-(1->2)-D-Man-alpha-(1->3)-D-Glc-beta-(1->4)-D-Glc-alpha-1-diphospho-ditrans,octacis-undecaprenol 4-beta-mannosyltransferase ...
In this thesis, different genetic tools are used to investigate pre- and postzygotic barriers to gene exchange and their role in speciation in the pied flycatcher (Ficedula hypoleuca) and the collared flycatcher (F. albicollis). This species complex consists of four genetically distinct clades that apparently diverged in allopatry (I). Sequencing of introns from autosomal and Z-linked genes from the two species reveals signs of selection on the Z-chromosome. Sexual selection acting on Z-linked genes might explain this pattern (II). By using large-scale genotyping of single nucleotide polymorphisms (SNPs), introgression is observed at autosomal- but not Z-linked loci, mostly from the pied- to the collared flycatcher. Male plumage characters and genes involved in hybrid fitness are largely mapped to the Z-chromosome (III). By studying mate choice of female hybrids I show that there is a link between female preferences and the Z chromosome (IV). The rate of introgression in island versus clinal ...
Hybrid wood warblers, Dendroica striata x Dendroica castanea (Aves: Fringillidae: tribe Parulini) and the diagnostic predictability of avian hybrid ...
From whence the House Wren comes, or to what parts it retires during winter, is more than I have been able to ascertain. Although it is extremely abundant in the States of Pennsylvania, New Jersey, Virginia, and Maryland, from the middle of April until the beginning of October, I have never been able to trace its motions, nor do I know of any naturalist in our own country, or indeed in any other, who has been more fortunate.
Chemical signaling is an underappreciated means of communication among birds, as may be the potential contributions of symbiotic microbes to animal chemical communication in general. The dark-eyed junco (Junco hyemalis) produces and detects volatile compounds that may be important in reproductive behavior. These compounds are found in preen oil secreted by the uropygial gland, and this gland supports diverse bacterial communities including genera known to produce some of these volatile compounds. We investigated the relative contributions of shared environments and genetic relatedness in shaping juncos symbiotic bacterial communities, and investigated whether these bacterial communities underlie juncos chemical signaling behavior. We sampled parents and nestlings at 9 junco nests during one breeding season at Mountain Lake Biological Station in Virginia, USA. From each individual, we collected swabs of the uropygial gland and the cloaca, preen oil, and a small blood sample for paternity testing. We
by Vetscite. Scientists from the University of British Columbia have shown that there is a genetic basis to the migratory routes flown by songbirds, and have narrowed in on a relatively small cluster of genes that may govern the behaviour.. "Its amazing that the routes and timing of such complex behaviour could be genetically determined and associated with a very small portion of the genome," said researcher Kira Delmore, lead author of the paper published in Current Biology.. "Whats even more amazing is that differences in this behaviour could be helping to maintain the huge diversity of songbirds we see in the natural world.". Seasonal migration is one of the most remarkable biological phenomena in the world, with routes spanning thousands of kilometres and involving billions of animals. Songbirds travel up to 15,000 kilometres, despite often weighing under ten grams. They undertake these journeys alone at night and return to the same locations year after year.. Delmore and her colleagues ...
Researchers recently discovered some differences between the DNA of migratory and resident birds that can provide insight into the stresses that migratory birds face from their journey.. As part of a study published in The Auk: Ornithological Advances, lead author Carolyn Bauer and her colleagues examined telomeres in songbirds. Telomeres are the protective cap at the ends of the chromosome that stop the cells from aging and dying. When a cell replicates its DNA, a little bit of the telomere is shortened due to oxidative stress - the increased production of free radicals such as peroxides or other chemicals. This shortening of telomeres cannot be repaired, says Bauer, a postdoctoral scholar at North Dakota State University.. Bauer, who has had a longtime interest in telomeres and stress physiology, wanted to determine the differences in telomeres of migratory and resident dark-eyed juncos (Junco hyemalis) in western Virginia. "Birds are actually pretty easy to study telomeres in," she said, ...
This little guy showed up last winter and has been a welcome and regular visitor to our feeder… we did not know what he was at first, but a little investigating revealed him to have a genetic mutation…. ...
Songbirds appear to have an extra chromosome in cells involved in sexual reproduction. The extra DNA could help explain why there are so many songbird species
Alaudidae: Eremophila alpestris (Horned Lark) [seeds comprise 0.5-2% of the diet in eastern USA] MZN1951; Calcaridae: Calcarius lapponicus (Lapland Longspur) [seeds comprise 0.5-2% of the diet in NE USA & Northern Prairies] MZN1951, Calcarius pictus (Smiths Longspur) [seeds comprise 25-50% of the diet in Illinois during spring] MZN1951, Plectrophenax nivalis (Snow Bunting) [seeds comprise 2-5% of the diet in NE USA during winter] MZN1951; Emberizidae: Junco hyemalis (Dark-eyed Junco) [seeds comprise 5-10% of the diet in NE USA during winter & spring, seeds comprise 10-25% of the diet in the Prairie region during fall & winter] MZN1951; Passerculus sandwichensis (Savannah Sparrow) [seeds comprise 2-5% of the diet in the Southern Prairies during winter] MZN1951, Spizella pusilla (Field Sparrow) [seeds comprise 0.5-2% of the diet in NE USA, seeds comprise 5-10% of the diet in the Prairie region during winter & spring] MZN1951, Spizelloides arborea (American Tree Sparrow) [seeds comprise 2-5% of ...
Many morphological and life-history traits show phenotypic plasticity that can be described by reaction norms, but few studies have attempted individual-level analyses of reaction norms in the wild. We analyzed variation in individual reaction norms between laying date and three climatic variables (local temperature, local rainfall, and North Atlantic Oscillation) of 1126 female collared flycatchers (Ficedula albicollis) with a restricted maximum likehood linear mixed model approach using random-effect best linear unbiased predictor estimates for the elevation (i.e., expected laying date in the average environment) and slope (i.e., adjustment in laying date as a function of environment) of females reaction norms. Variation in laying date was best explained by local temperature, and individual females differed in both the elevation and the slope of their laying date-temperature reaction norms. As revealed by animal model analyses, there was weak evidence for additive genetic variance of elevation (h2 +/
For both pied flycatchers and blackcaps, our data obtained under the stationary sky can best be explained by Hypothesis 3. Birds use the stars as a compass only, and this compass most likely is based on geometrical recognition of star patterns learned during ontogeny, and therefore seems independent of celestial rotation and time later in life.. The pied flycatchers clearly oriented in more or less the normal migratory direction all night, even though the stars were stationary. No clear change in direction towards the end of the night, as would be expected if they had been performing true star navigation, was observed (Hypothesis 1a-c). In other words, they did not seem to perceive any longitudinal displacement during the night. Also, there was no gradual change in orientation consistent with a time-compensated star compass (Hypothesis 2).. The data on the blackcaps are less clearcut, probably because of the relatively low sample size (N=7). The data appear to show a turn towards the west in the ...
Identification record : Sulphur-bellied Warbler (Phylloscopus griseolus) is a bird which belongs to the family of Phylloscopidés and the order of Passeriformes.
Background. The genetic benefits of mate choice are limited by the degree to which male and female fitness are genetically correlated. If the intersexual correlation for fitness is small or negative, choosing a highly fit mate does not necessarily result in high fitness offspring.. Methodology/Principal Finding. Using an animal-model approach on data from a pedigreed population of over 7,000 collared flycatchers (Ficedula albicollis), we estimate the intersexual genetic correlation in Lifetime Reproductive Success (LRS) in a natural population to be negative in sign (−0.85±0.6). Simulations show this estimate to be robust in sign to the effects of extra-pair parentage. The genetic benefits in this population are further limited by a low level of genetic variation for fitness in males.. Conclusions/Significance. The potential for indirect sexual selection is nullified by sexual antagonistic fitness effects in this natural population. Our findings and the scarce evidence from other studies ...
Den här ekorren har räknat ut att den kan få något gott hos min mormor. This squirrel has figured out that it can get something good to ea ...
The nutritional requirements for each of the avian species are very diversified. Age, sex, size, activity and reproduction functions also contribute to a variance in nutritional requirements. While a healthy, adult bird can thrive on a balanced maintenance diet, growth, healing, breeding, nesting and molting all require additional nutrients. Small birds need more food for energy than larger birds do, and reproducing females require more nutrients than males do. All natural and captive diets listed in this document are based primarily on the Spring-Summer diet of these birds. During these seasons, almost all avian diets contain a substantially higher percentage of insects (nearly 100% protein) than the remainder of the year. Nearly all baby songbirds are fed a primarily insect diet. ...
The first notes of bird song signal the arrival of spring as well as the beginning of mate attraction season, and for many songbird species males with the most elaborate songs do best when it comes to attracting females. But why do many migratory songbirds sing during the winter, when they are thousands of kilometers away from their breeding grounds and the prospect of attracting a mate? This was the long-unanswered question tackled by Marjorie Sorensen, Susanne Jenni-Eiermann, and Claire Spottiswoode.
Anthropogenic climate warming has already affected the population dynamics of numerous species and is predicted to do so also in the future. To predict the effects of climate change, it is important to know whether productivity is linked to temperature, and whether species traits affect responses to climate change. To address these objectives, we analysed monitoring data from the Finnish constant effort site ringing scheme collected in 1987-2013 for 20 common songbird species together with climatic data. Warm spring temperature had a positive linear relationship with productivity across the community of 20 species independent of species traits (realized thermal niche or migration behaviour), suggesting that even the warmest spring temperatures remained below the thermal optimum for reproduction, possibly due to our boreal study area being closer to the cold edge of all study species distributions ...
When researchers captured Eurasian reed warblers along the Russian coast during their spring migrations and flew them 1,000 kilometers east to Zvenigorod, the birds werent fazed; they simply re-oriented themselves toward their original destination. Now, the researchers who first demonstrated the birds navigational skill in the Cell Press journal Current Biology are back with new evidence that reed warblers rely on a geomagnetic map to point them in the right direction.
This evening at LSP was very quiet, with only Red-winged Blackbirds and a couple of Baltimore Orioles violating radio silence with any consistency. Yellow Warblers, maybe five or six, were the busiest warblers, followed by Yellow-rumped. These were joined by pairs of Black-and-white and Common Yellowthroat. A single Northern Parula added a bit of spice, allowing nice views from four feet as he picked through some mulberry on the landward edge of the Interpretive Center woods before moving off into the floppy, concealing leaves of a cottonwood ...
Learn how to figure a wren and chickadee box. When youre make to build axerophthol birdhouse unrivalled of the most important considerations you must make is the birdhouse hole bootleg Capped Chickadee 1 unity 8. Birdhouse plans for Chickadees Nuthatches bird house plans for a chickadee Titmice and fluffy Woodpeckers. my company.. read . Nesting Sites Chickadees are dental caries nesting birds and will easily use wench houses of the proper dimensions the favorite home size for chickadees is eight. The 1 I 8 inch hole size is adapted to the of necessity of house Bewick and Carolina wrens Build a Bird The lightlessness capped Chickadee is amp passably tame and common backyard razzing through with. When building raspberry houses its important to screw what types of birds youll be of the types of birds that use bird houses are Bluebirds Wrens Chickadees and.. Much of North America much found Hoosier bike rack plans free State small flocks foraging through woodlands. Robins need less than half an ...
Krzysztof Blachowiak, IBC1014506. Photo of Red-winged Lark Mirafra hypermetra at Kidepo Valley National Park, Uganda. Accessible at hbw.com/ibc/1014506 ...
Wrens are mainly small and inconspicuous, except for their loud and often complex songs. These birds have short wings and they cannot see at night. Several species often hold their tails upright and sleep on the ground. Wrens are insectivorous, eating insects and spiders but they will also eat fish, small rodents and lizards. The dominating colors of their plumage are drab, composed of gray, brown, black and white, and most species show some barring, especially to tail and/or wings. There is no sexual dimorphism in the plumage of wrens, and little difference between young birds and adults ...
What would cause the male splendid fairy-wrens to respond to the calls of their predators in such a strange way? One possibility is that the response of the fairy-wrens is an alarm call, meant to warn others nearby of the presence of a predator. One experiment ruled out that possibility, though: male splendid fairy-wrens give their Type 2 songs in response to hearing the vocalization of the butcherbird, but not in the presence of silent butcherbirds. Another possibility is that the Type 2 songs are meant to scare the butcherbirds away, but another experiment indicated that this wasnt the case either, as males were no more likely to sing their Type 2 songs upon seeing a silent butcherbird. It seems, then, that there is something special about the vocalization of the butcherbird that causes the splendid fairy-wren to sing its Type 2 song.. It could be that the Type 2 song functions as a territorial display, to keep other males away. If the Type 2 song is used as a territorial display, Greig and ...
March has come in (like a lion in some places and like a lamb in others) and spring is nearly here. Birds are ready to begin nesting, if they havent already, so spend some time this weekend preparing your yard to welcome them.. According to Georgeann Schmalz of Birding Adventures, Inc., there are seven species of birds that commonly use nesting boxes in the Southeast: Carolina Wrens, Tufted Titmice, Carolina Chickadees, Brown-headed and White-breasted Nuthatches, Eastern Bluebirds, House Finches, and House Wrens.. Nesting boxes should be cleaned after each nesting season. If you didnt clean yours last fall, verify that no birds have begun using them yet by watching closely for a few days. Then, follow the steps below:. ...
TY - JOUR. T1 - Transcriptome Analyses of Heart and Liver Reveal Novel Pathways for Regulating Songbird Migration. AU - Horton, William J.. AU - Jensen, Matthew. AU - Sebastian, Aswathy. AU - Praul, Craig A.. AU - Albert, Istvan. AU - Bartell, Paul Allen. PY - 2019/12/1. Y1 - 2019/12/1. N2 - Many birds undertake long biannual voyages during the night. During these times of the year birds drastically reduce their amount of sleep, yet curiously perform as well on tests of physical and cognitive performance than during non-migrating times of the year. This inherent physiological protection disappears when birds are forced to stay awake at other times of the year; thus these protective changes are only associated with the nocturnal migratory state. The goal of the current study was to identify the physiological mechanisms that confer protection against the consequences of sleep loss while simultaneously allowing for the increased physical performance required for migration. We performed RNA-seq ...
Birders might say that this blackbird is rusty because it spends so much time in the water. In migration and winter it is usually in swampy places, wading in very shallow water at the edges of wooded streams. In summer it retires to northern spruce bogs; no other blackbird has such a northerly breeding distribution. The name Rusty applies to the colors of fall birds, but it could also describe the rusty-hinge sound of the creaking song.
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Birds Daytime Exteriors Full Kingdom Nature Photo Songbirds Terns Whole: 6 assigned downloads, like Arctic tern (Sterna paradisaea), Kria, Hellissandur, Iceland, Europe from stock-photos
This is the process of describing a thrice-daily perambulation along a specific grid-like configuration of streets and alleyways. Its the beginning and the end all at once with the middle excised for brevitys sake. Words are fit together to form a compelling narrative designed to exaggerate the significance of this chain of events. Through the use of a complex algorithm, details from thousands of similar perambulations have been extracted and connected to form a generic description suitable to represent the ongoing series.. Turning a corner there appears a panoramic view of downtown. One day there will be two more buildings on this block instead of a field, obscuring the view and evicting the red-winged blackbirds whose raucous calls now punctuate this observation. No more will the barn swallows arc with precision above the grass, soaring overhead and below knees. The city is a gaping mouth fitted with concrete teeth and asphalt tongue. All open space is in flux, available for negotiation by ...
Follow the songbird through different activities on each page. Folding soft book includes tethered-on crinkle bird, colorful illustrations, squeaker, baby-safe mirror, engaging textures and silicone corner teether. Fabric loop allows for easy attachment to baby links. Encourages motor development, cause and effect lear
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Telegraph Dating Member Profile: Songbird8 - About myself. Thank you for looking at my profile. What can I tell you about myself? Well, I am an outgoing and...
The Golden-winged Warbler is one of North Americas most beautiful yet enigmatic songbirds. It also is more abundant in Wisconsin and Minnesota than anywhere in the world, making it one of our regions highest conservation priorities. Populations of Golden-winged Warblers have declined 2.5% per year since 1966, for reasons that are not completely understood. One of the likely causes involves the Blue-winged Warbler, which hybridizes with Golden-winged Warblers to produce Brewsters and Lawrences Warblers. The hybrid offspring share characteristics of both species. Brewsters hybrids have the white breasts of the Golden-winged Warbler and the thin eye stripe and white wing bars of the Blue-winged Warbler. The Lawrences hybrid is produced by interbreeding of Brewsters with Blue-wings and is much rarer and more variable in appearance, although it usually has the face mask of the Golden-winged Warbler (a recessive trait) and the yellow breast of the Blue-winged Warbler. During recent years, ...
P. F. Whitehead I was fascinated to read the account (Cundall, A., 2010, Worcestershire Record 28:17) of one Fieldfare killing another. This is a really rare observation with few text citations and none given by Norman (1994), The Fieldfare, Hamlyn Species Guides). It certainly warrants explanation. At the discretion of the editor, and since it has a direct bearing on the Fieldfare observation, I should like to briefly relate an identical observation concerning Blackbirds Turdus merula L. in Lancashire. Although briefly cited by Hardy (1966), Merseyside Naturalists Association North-western Bird Report 1963-1966, p.46) it has never been properly documented. In one of many large contiguous suburban gardens in the Childwall area of Liverpool, backed by a 20 acre green field, Blackbirds were ubiquitous in the 1960s and formed a big roost in ancient woodland near Childwall village. Some maintained territories year after year and in March 1963 one such venerable male bird paired with a female, but ...
The literal center of the University of Massachusetts (Amherst) campus is the Campus Pond. This landmark is much more than I had expected when I saw it on the map, and it has quickly become my favorite place to spend my lunch hour.. What could have easily been landscaped with concrete on all sides and a spectacular fountain in the middle is instead a lush shoreline with periodic breaks where people can gaze across the water, feed the ever-present waterfowl, or just enjoy sunbathing. Yes, the trees and shrubs have been largely planted (and some large trees were removed at some point as evidenced by the stumps), but it provides great habitat for humans and wildlife alike.. A flock of cedar waxwings stole berries from a tree overhanging a bench where oblivious students lunched the other day, and Ive seen an eastern kingbird and red-winged blackbirds as well. There are squirrels of course, and even chipmunks, like this discriminating fellow hanging out on the steps of the FAC (Fine Arts Center) ...