A huge saltwater crocodile swims by a bull shark with a school of fish in tow, tidal flats of Arnhem Land, northeast Australia.
An albino mink yanks a muskrat out of its hole in a dry canal, and after a a brief but intense battle, kills it.
Methane bubbles trapped in two meters of thick ice in Lake Baikal, Russia, the world's deepest and largest freshwater lake.
