What Is This?
Answers to our wildlife guessing game.
Long-haired porcupine in Costa Rica.
Face of a circada.
Flock of starlings flying over Rome.
This is the crawly underside of a yellow woolly bear caterpillar. Later in life, the caterpillar will metamorphose into a Virginia tiger moth.
This photo of a moose was taken by Marty Maxwell in Chugach State Park, Alaska.
View other photos from our What is This? series.