Nigel Cattlin / Insect / invertebrate house / bug hotel with various refuge options for hiding / over-wintering, WWT, West Sussex, UK, July.

Juergen Freund / Scientist Susan Laurance leads the Daintree Drought Experiment in far north Queensland. The experiment combines the efforts of plant physiologists, ecologists, soil experts, climatologists and hydrolo...

Michael Quinton / Snowshoe Hare (Lepus americanus) browsing on a Pussy Willow (Salix discolor) twig in winter, Alaska

Michael Quinton / Snowshoe Hare (Lepus americanus) browsing on a Pussy Willow (Salix discolor) twig in winter, Alaska

Michael Quinton / Snowshoe Hare (Lepus americanus) browsing on a Pussy Willow (Salix discolor) twig in winter, Alaska

Donald M. Jones / Snowshoe Hare (Lepus americanus) in winter coat, western Montana

Jim Brandenburg / Snowshoe Hare (Lepus americanus) eating twig in winter, Minnesota

Michael Quinton / Snowshoe Hare (Lepus americanus) in snowfall, Yellowstone National Park, Wyoming

Michael Quinton / Snowshoe Hare (Lepus americanus) feeding on Pussy Willow (Salix discolor) in winter, Alaska

Michael Quinton / Snowshoe Hare (Lepus americanus) feeding on Pussy Willow (Salix discolor) branch in winter, Alaska

Karine Aigner / Barn owl (Tyto alba), six owlets of varying ages sitting in nest at bottom of abandoned hunting blind. Texas, USA. April.

Karine Aigner / Stomach contents of Burmese pythons (Python bivittatus) are separated and laid out on sheets in order to identify them. Some of the contents seen here from varying snakes are Roseate spoonbill, Pied b...