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#TYPES OF SCAVENGERS FREE#
We don't put up a paywall – we believe in free access to information of public interest. Well, unlike many news organisations, we have no sponsors, no corporate or ideological interests. DeVault, associate director and senior research scientist at SREL and adjunct faculty at the Warnell School, is also a co-author on the study. She said researchers should investigate further across the ranges of the two vulture species to pinpoint scavenging patterns and implications. The team’s research supports previous findings that fewer vertebrate species scavenge higher trophic-level carrion, but Butler-Valverde emphasized that scavenging ecology is a relatively understudied research area. Butler-Valverde acknowledges that this behavior can be a result of a scavenger not being hungry at the time, assessing the situation to return later and being cautious of predators who might be nearby. Coyotes scavenged all carcass types, but frequently visited vulture carcasses that they did not scavenge. Turkey vultures feasted on vulture carcasses, but the study notes most of these scavengers were immature, like toddlers who have yet to learn what is appropriate to eat.Ĭoyotes were the most frequent scavengers, followed by Virginia opossums.
Vultures are primarily sustained by the carcasses of dead animals, so the nutritional value of the carcass types differ.Ĭamera images show that cannibalism occurred. Chickens and mallard ducks are herbivores.
The study reports that what these animals ate when they were alive could have influenced the scavengers’ decision to dine or not dine on them. “So carnivores might be less likely or unwilling to scavenge other carnivores to reduce their exposure to pathogens.” “Scavengers are most often predators and higher trophic-level species, and by scavenging similar species they may be more likely to be exposed to pathogens that they can be susceptible to,” Beasley said.
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