The manic games of young stoats (Mustela erminea) help them develop the killer skills they need to catch their prey. As rabbits are fast-moving, quick-turning, and ten times larger than the slim-lined stoats, the young kits must hone their skills early if they are to stand any chance of catching these relative giants.

Through the Lens: White-tailed Ptarmigan
Join Cornell Lab of Ornithology photographer Gerrit Vyn as he searches the high slopes of Washington’s Mount Rainier for White-tailed Ptarmigan (Lagopus leucura).

Male Spatule-Tailed Hummingbird Woos A Female
with an incredible aerial display showing off its outrageous but cumbersome tail feathers. In fact, they are so cumbersome that the male can only stay airborne for a matter of seconds. But what wonderful seconds they are.

Pelicans Plunder Cape Gannet Chicks
On Malgas Island in South Africa’s West Coast National Park, there are thousands of Cape gannet chicks that are safe from human interference. But there is no protection from the large white pelicans that swallow the poor chicks whole.

Kestrel Tolerates Pestering By Magpie
A Magpie (Pica pica) can’t help but be annoying to a neighbouring Kestrel (Falco tinnunculus).

Impending Migration of the Barn Swallow
The Barn Swallow (Hirundo rustica) winters in southern Africa and has been recorded as covering up to 11,660 kilometres on its annual migration from Eurasia.

The Common Pheasant in Western Europe
The Common Pheasant (Phasianus colchicus) was originally widely introduced into Western Europe as a game bird where it is now regarded as a naturalized species.

Orange Tip Metamorphosis
Close up film of an Orange Tip Butterfly (Anthocharis cardamines) emerging from its chrysalis.