• Young develop rapidly, and seem to act like young dogs or coyotes by fighting and seeming preparing for their predatory life style. (isu.edu)
  • This research, therefore, investigated the possibility of using the root extract of a common weed in southwestern Nigeria, named P. alliacea, in checkmating the predatory influence of nymphs of dragonfly which frequently attack fry of African mud catfish. (omicsonline.org)
  • This challenge to understanding the lifestyle of extinct animals is exemplified by the controversy over the feeding behavior of the Late Cretaceous theropod Tyrannosaurus rex ( 3 , 7 ⇓ ⇓ ⇓ ⇓ ⇓ ⇓ ⇓ ⇓ ⇓ - 17 ). (pnas.org)
  • Although predation and scavenging have often been suggested as distinct feeding behavior alternatives ( 3 , 7 ⇓ - 9 , 11 ⇓ ⇓ ⇓ ⇓ ⇓ - 17 ), these terms merit semantic clarification. (pnas.org)
  • In this study, predation is considered a subset of feeding behavior, by which any species kills what it eats. (pnas.org)
  • His research has included autopsying dead marine mammals, studying the feeding behavior of sharks, and trying to estimate shark population size. (angelfire.com)
  • This indicates that the prey escaped and lived for some time after the injury, providing direct evidence of predatory behavior by T. rex . (pnas.org)
  • When a prey escaped, workers reacted by using a local searching or "reserve" behavior: they moved by increasing both sinuosity and speed. (springer.com)
  • The details of predatory behavior for each prey species are described. (brillonline.com)
  • My dissertation addressed predator-prey population dynamics in response to variation in four foraging traits in the predatory mite, Phytoseiulus persimilis (Acari: Phytoseiidae): consumption rate, conversion efficiency, dispersal, and olfactory response related to prey. (k-state.edu)
  • The dispersal response and olfactory sensitivity in predatory mites is modified by prey-related cues. (k-state.edu)
  • The olfactory response of predatory mites also increased with increasing numbers of prey per plant or with the length of time a plant was infested by prey. (k-state.edu)
  • The existence of genetic variation and covariation among the foraging traits suggests that predatory mites must be able to adopt different foraging strategies in the evolution of prey-finding in a tritrophic system. (k-state.edu)
  • The variability in foraging behaviors of the predatory mite affects its ability to locate patchily distributed prey, thereby influencing foraging efficiency and population dynamics. (k-state.edu)
  • some people even enlist such non-predatory beasts, like horses, camels, and elephants in getting approaches to prey. (children-of-the-amphioxus.com)
  • After burrowing through the outer wall, B. bacteriovorus secretes hydrolytic enzymes to obtain energy for growth and division before lysing the prey cell host to repeat the predatory cycle. (nih.gov)
  • Inspired by their prey hunting behaviors and distribution mode, we abstracted three intelligent behaviors, scouting, calling, and besieging, and two intelligent rules, winner-take-all generation rule of lead wolf and stronger-survive renewing rule of wolf pack. (hindawi.com)
  • They are coated by chemosensors that provide detection of minute chemical signals that are thought to alert the scorpions to the approach of prey and also to be of use in mating behavior. (desertusa.com)
  • What's more, the researchers may view predatory segments on a frame-by-frame basis to identify the exact distances, movements and timing of movements of rattlesnakes and their prey during their interactions. (nsf.gov)
  • Microinfusions of naloxone alone in similar dosage completely blocked the predatory attack response as indicated by an increase in the threshold current strength for somatomotor as well as affective display components. (who.int)
  • Microinfusions of yohimbine, an alpha-2 blocker, in 5 microg dose completely blocked the predatory attach response as indicated by an increase in the threshold current strength for the affective components. (bvsalud.org)
  • Because destructive behavior has many potential causes, a careful analysis of the dog's history and environment is necessary to help identify the cause of the problem so that effective behavior modification techniques can be recommended. (mspca.org)
  • Thus, anticipation of the owner's return or arrival increases the dog's anxiety level, and may result in destructive behavior to relieve the anxiety. (mspca.org)
  • Learning the answers to these questions can clarify the circumstances that trigger your dog's aggressive reaction and provide insight into the reasons for her behavior. (aspca.org)
  • In most cases, the dog's intention is not so much to harm the threat as it is to change the threat's behavior by making it go away. (positively.com)
  • Was this fatal dog attack in California caused by the dog's predatory tendencies? (dogexpert.com)
  • Blackwell's Five-Minute Veterinary Consult Clinical Companion: Canine and Feline Behavior, Second Edition offers fast access to reliable, practical information on managing common behavior disorders in dogs and cats. (wiley.com)
  • Instead, this investigation will deal exclusively with the evolutionary history of the australopithecines: their anatomy, diet, ecology and behavior. (tolweb.org)
  • These observations appear to outline a framework of behavior that could be employed for efficient tracking of odor trails, and which is regulated by decision mechanisms that integrate sensation, internal state and experience. (biologists.org)
  • Microinfusions of propranalol (beta-blocker), practalol (beta-1 blocker), prazosin (alpha-1 antagonist), propylene glycol as well as saline in similar volumes (0.5 microl) as control failed to produce any blocking effect, thus indicating the involvement of alpha-2 adrenoceptive mechanisms in the modulation of predatory attack in this region of midbrain. (bvsalud.org)
  • We'd rather they have as natural behavior as possible," said Bengt Holst, director of conservation for the Copenhagen Zoo . (nytimes.com)
  • Unfortunately, the very presence of pets in the preserve alters the natural behavior of native wildlife. (nps.gov)
  • Humans and dogs make a predatory team rivaling any single predator in effectiveness. (children-of-the-amphioxus.com)
  • Without crafted weapons, society , or cleverness, a lone human can easily be defeated by fit predatory animals, such as wild dogs, big cats and bears (see Man-eater ). (children-of-the-amphioxus.com)
  • Chewing, playing, exploring, and investigating their environment are normal behaviors for dogs - especially puppies! (mspca.org)
  • This is one of the most common causes of destructive behavior in dogs, particularly in those obtained from shelters or found as strays. (mspca.org)
  • Dogs with separation anxiety tend to display behaviors which reflect a strong attachment to their owners - following owners from room to room, displaying almost frantic greeting behaviors, and reacting to owners' preparation to leaving the house. (mspca.org)
  • Dogs which do to receive attention and reinforcement for appropriate behavior may show destructive behavior when owners are present, as a way to attract attention - even if the attention is "negative" such as verbal scoldings. (mspca.org)
  • This is very common in young dogs and often occurs when the dog is unsupervised or does not have sufficient outlets for appropriate play behavior. (mspca.org)
  • Dogs don't always follow this sequence, and they often do several of the behaviors above simultaneously. (aspca.org)
  • Dogs are often valued for this level of territorial behavior. (aspca.org)
  • Reassessing the behavior in line with learning theory suggests in some situations, dogs that are confident and assertive are motivated by a pattern of successful encounters to continue their behavior. (vcahospitals.com)
  • Note that even dogs lacking aggressive tendencies towards people may still nevertheless possess predatory tendencies. (dogexpert.com)
  • The swinging movement of a person the size of an infant on a swing has the potential to trigger a predatory reaction in some dogs. (dogexpert.com)
  • In other circumstances, some dogs may be prompted to attack for predatory reasons after hearing the noise from a hearing aid . (dogexpert.com)
  • Ancient diets can be readily reconstructed on the basis of the available evidence, although their derivation (e.g., predation or scavenging behavior) often remains elusive. (pnas.org)
  • Once the researchers successfully record snake predation, they simply fast-forward through the inevitably long segments showing inactivity, but replay predatory segments as many times as necessary. (nsf.gov)
  • Dr. Douglas Long has been doing research on the ecological interactions, in particular the feeding habits and predatory behavior of great white sharks on marine mammals along the coast of central California for several years now. (angelfire.com)
  • Despite the ecological significance of rattlesnakes, their predatory behavior has been largely understudied. (nsf.gov)
  • Traditional ecotoxicology studies focus on the physical effects a chemical has on growth and reproduction, but this study highlights the need to evaluate behavior when assessing the effects of contaminants on wildlife populations. (phys.org)
  • Stacey Robinson and her co-author Stacey Lee-Jenkins evaluated the anti-predator behavior of wood frogs after exposure to neonicotinoids. (phys.org)
  • Wood frogs employ a number of strategies and behaviors to avoid being eaten: camouflage, immobility, crouching or assuming an "anti-predator" posture, but being able to flee quickly once detected is also critical to survival. (phys.org)
  • analysis of modern predator behavior as well as of Smilodon ' s fossil remains could be construed to lend support to either view. (wikipedia.org)
  • This suggests that more variants of smaller effects underlie variation in aerobic performance, whereas fewer variants of larger effects underlie variation in predatory behavior. (edu.pl)
  • Many people who know someone with OCPD want to know how to help the OCPD sufferer from doing some of his or her repetitive or negative behaviors. (audible.com)
  • Motivational and reinforcing assays reveal that ZI photoactivation is associated with a strong appetitive drive, causing repetitive self-stimulatory behaviors. (nature.com)
  • Predatory fish introduction can cause cascading changes within recipient freshwater ecosystems. (sciencemag.org)
  • These interactions across multiple trophic levels both within and outside of the invaded lake highlight the potential substantial influence of an introduced predatory fish on otherwise pristine ecosystems. (sciencemag.org)
  • Here, we show how latitudinal differences in predatory fish can essentially be explained by the inflow of energy at the base of the pelagic and benthic food chain. (dtu.dk)
  • Rumors about his behavior swirled in "whispers [that] had become so loud they were more like shouts"-and unnamed movement leaders were refusing to expose him. (theatlantic.com)
  • One of the most daunting tasks of paleontology is inferring the behavior and feeding habits of extinct organisms. (pnas.org)
  • In his book, Dying to Be Men , Dr. Will Courtenay describes the cultural influences of "masculinity" that lead men to reject many healthy behaviors, and simultaneously to gravitate to numerous unhealthy behaviors instead, which put them at risk of death, injury and disease. (psychcentral.com)
  • This research examines a darker side of social media that demonstrates unintended consequences that are negatively transforming and affecting lives of children who fall victim to predatory coercion. (uncg.edu)
  • Additionally, we present a matrix of predatory coercion and victimization of children within social media that aggregates the results of all three studies. (uncg.edu)
  • It's a pretty common thing, as any good wolf biologist will tell you, that any wolf's job in his righteous social behavior is to investigate and assault strange canines. (nationalgeographic.com)
  • In 1995, inspired by social behavior and movement dynamics of birds, Kennedy proposed the particle swarm optimization algorithm (PSO) [ 7 ]. (hindawi.com)
  • In 1996, inspired by social division and foraging behavior of ant colonies, Dorigo proposed the ant colony optimization algorithm (ACO) [ 8 ]. (hindawi.com)
  • Some kinds of scorpions show more sophisticated social behaviors, like colonial burrowing, and living in familial groups that may share burrows and food. (desertusa.com)
  • Studies have shown that it is a systematic behavior in different populations of chimpanzees [ 8 ], which may occur either individually or cooperatively. (mdpi.com)
  • Hunting behavior is closely related to elbow flexibility, and so the scientists looked to the parts of the humerus (upper arm bone) which articulate with the forearm to see what the thylacine's arms were capable of. (wired.com)
  • His behavior has been an open secret to many in Hollywood and beyond, but previous attempts by many publications, including The New Yorker , to investigate and publish the story over the years fell short of the demands of journalistic evidence. (newyorker.com)
  • These predatory tendencies directed towards an animal or a person, particularly the size of a newborn, have resulted in dog bite fatalities. (dogexpert.com)
  • And it was the infant's reaction, and not the coughing, which triggered a predatory bite by this dog. (dogexpert.com)
  • It would be fair to assume that in this fatal dog attack in California the parents, although nearby to supervise, were probably unaware of the speed in which a predatory reaction in a dog might happen. (dogexpert.com)
  • Until now, predatory behavior among captive chimpanzees has been poorly documented. (mdpi.com)
  • Helping an aggressive dog become more confident by teaching him to see a perceived threat or potential loss of a valued resource in a different light is the key to successfully changing the behavior. (positively.com)
  • In 2005, motivated by the intelligent foraging behavior of honeybee swarms, Karaboga proposed the artificial bee colony (ABC) algorithm [ 10 ]. (hindawi.com)