The ecology of native Arizona gray squirrels: impacts of introduced Abert’s squirrels
Thursday, December 2nd, 2004John Koprowski Arizona gray squirrels (Sciurus arizonensis) were first described about 150 years ago, yet there has not been a single publication on the ecology of this species. Often considered to be uncommon in the mountain islands of the deserts of Arizona and extending slightly into northern Mexico where the species is considered to be [...]