A federal judge has run out of patience over what he said is an "unreasonable delay" by the U.S. Fish and Wildlife Service in ...

Mount Graham red squirrels live only in the Pinaleño Mountains of southeastern Arizona, where their protected habitat has ...

Can animals share the same space peacefully high above the ground in the treetops? A research team at the University of ...

A flash of russet in the branches, a dash of smoky grey darting across the lawn—few wildlife rivalries have captured the ...

A federal judge has run out of patience over an "unreasonable delay'' by the U.S. Fish and Wildlife Service to protect Mount ...

Red squirrels are entertaining and remarkable little mammals. Fleet-of-foot and extraordinary climbers, their specific habits ...

Skin has the whole DNA of that particular animal. And when we freeze that down, we can freeze its entirety, and then when we ...

Squirrels in Texas are "splooting" earlier than usual this year in response to soaring temperatures. While the instinctive ...

Eight years after the Center for Biological Diversity brought a lawsuit against the U.S. Fish and Wildlife over the habitat ...

A federal judge has ordered the Trump administration to make a long-overdue decision on whether to expand critical habitat for Arizona’s highly endangered Mount Graham red squirrels. The squirrels are ...

The Mount Graham red squirrel population in Arizona has risen more than expected, according to the Arizona Department of Game and Fish. The latest survey shows an increase of about 89 squirrels ...

The Siberian flying squirrel (Pteromys volans) is a nocturnal and arboreal rodent that inhabits the boreal taiga forests from ...