Mark Raycroft / Boston Terrier (Canis familiaris) two puppies peaking over fence

Jeff Vanuga / Grizzly bear (Ursus arctos horribilis) female with cub resting head on her back. Yellowstone, Wyoming, USA. May.

Konrad Wothe / Boreal Owl (Aegolius funereus) peaking through hole in tree, Sweden

Shane Gross / Crescent gunnel (Pholis laeta) peaking out from Colorful rock wall off Vancouver Island, British Columbia, Canada