A curious male red squirrel poses for the camera.

A female red squirrel (with radio-collar) eats a white spruce cone, their main food source in the Yukon, Canada.

Another red squirrel eating a spruce cone.

Juvenile red squirrel eating something! This pup is about 2.5 months old.

A red squirrel peeks over a spruce branch.

Red squirrel playing ground-squirrel.

Quizzical?

A male red squirrel lets out a territorial call (a rattle) during a mating chase.

A right-handed red squirrel eats a spruce cone. (Yes there are left-handed squirrels too!)

A juvenile red squirrel strikes a tree frog pose.