These are all from:
http://www.theguardian.com/environment/gallery/2013/aug/23/week-in-wildlife-in-pictures#/?picture=415685986&index=0
There are 20 pics in the series, so plenty left to look at on the site.
A male spoon-billed sandpiper, one of the rarest birds in the world, has had its numbers boosted by a scheme to hand rear chicks to fledgling.
Photograph: Roland Digby/WWT/PA/via The Guardian
White-tailed sea eagle (Haliaeetus albicilla) being attacked by a common gull (Larus canus) in flight, Norway.
Photograph: NPL/Rex Features
An extreme close-up of polar bear on the 1002 coastal plain of the Arctic National Wildlife Refuge in North Slope, Alaska. This bear tried to hitch a lift off an unsuspecting driver by clambering into the back of his pick-up truck.
Photograph: Steven Kazlowski/Barcroft Media
Flocks of gnus are seen during their migration trip in Serengeti National Park, Tanzania, on 17 August. When grass withers at Serengeti National Park in north Tanzania, flocks of gnus, zebras and antelopes living there start their annual migration to Masai Mara National Wild Reserve in Kenya.
Photograph: Zhang Ping/Corbis
An Egyptian goose flies close above the water towards the near riverside near Frankfurt/Main, Germany.
Photograph: Boris Roessler/Corbis
Wolves howl not because of stress but rather to maintain social contacts, researchers have found.
Photograph: Mazzini/PA
This pair of Eurasian cranes shows that certain skills are innate and there is no shortage of exuberance among adolescents.
Photograph: Wildfowl & Wetlands Trust