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Posts Tagged: extinction

A Mammalian Predator–Prey Imbalance: Grizzly Bear and Wolf Extinction Affect Avian Neotropical Migrants

Because most large, terrestrial mammalian predators have already been lost from more than 95–99% of the contiguous United States and Mexico, many ecological communities are either missing dominant selective forces or have new ones dependent upon humans. Such large-scale manipulations … read more

Effects of Social Structure and Prey Dynamics on Extinction Risk in Gray Wolves

Extinction models based on diffusion theory generally fail to incorporate two important aspects of population biology—social structure and prey dynamics. We include these aspects in an individual‐based extinction model for small, isolated populations of the gray wolf (Canis lupus). Our … read more

The paradoxical extinction of the most charismatic animals

An international study suggests that the popularity of tigers, lions, polar bears, wolves and others may actually contribute to the species’ downfall, in part because many people believe their iconic stature guarantees their survival. read more

Wolf thrives after facing Extinction

Wolves are now reported to be several hundred strong in Wisconsin read more

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