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Wolves (Canis lupus) primarily provision pups by catching mammalian prey and bringing remains of the carcass to the pups at a den or rendezvous site via their mouths or stomach. In August 2017, we observed an adult wolf regurgitating wild … read more

Canis lupus (Gray Wolf) have been suspected as natural predators of Cygnus buccinator (Trumpeter Swan), but detailed descriptions of such predation events are lacking from the peer-reviewed literature. Herein, we document a Trumpeter Swan that was killed by a Gray … read more

Gray wolves (Canis lupus) consume berries and other wild fruits seasonally when available or abundant. However, a method to convert percent frequency of occurrence or percent volume of berries in wolf scats to percent biomass has not yet been developed. … read more

Dispersal is a fundamental component of the ecology of most animal populations. Dispersing individuals typically leave their natal habitat in search of a mate or available resources such as food and space (Gotelli 2008). Grey wolves (Canis lupus) typically disperse … read more

Study in the journal iScience shows that some wolf puppies  know how to play fetch, upending the long-held hypothesis that the ability to interpret subtle human social cues is unique to dogs and arose as a result of selective breeding. … read more