Kim Taylor / Bachacs / Leafcutter ants {Atta cephalotes} carrying sections of Cocoa leaf bearing 'riders' thought to ward off parasitic flies which would otherwise lay their eggs on the pieces of leaf. Trinidad, W...

Tony Wu / Blacktip reef shark (Carcharhinus melanopterus) beaching itself to catch sardines. Tonga South Pacific.

Espen Bergersen / Aerial shot of two Killer whales (Orcinus orca) swimming inside a shoal of Atlantic herring (Clupea harenguis), hunting, with one Killer whale tail slapping to stun the Herring, Sommaroy, Troms, Norwa...

Mark Bowler / Sphinx hawk moth (Hemeroplanes triptolemus) caterpillar, snake mimic species, Amarakaeri Communal Reserve, Maijuna, Rio Napo, Peru

Mark Bowler / Sphinx hawk moth (Hemeroplanes triptolemus) caterpillar, snake mimic species, Amarakaeri Communal Reserve, Maijuna, Rio Napo, Peru

Mark Bowler / Sphinx hawk moth (Hemeroplanes triptolemus) caterpillar, snake mimic species, Amarakaeri Communal Reserve, Maijuna, Rio Napo, Peru

Emanuele Biggi / Peruvian Tarantula (Pamphobeteus sp.) and Humming Frog (Chiasmocleis royi) together, Los Amigos Biological Station, Madre de Dios, Amazonia, Peru. These species have a commensal relationship. The tara...

Emanuele Biggi / Peruvian Tarantula (Pamphobeteus sp.) adult, walking over Humming Frog (Chiasmocleis royi) without preying on it. Los Amigos Biological Station, Madre de Dios, Amazonia, Peru. These species have a com...

Dave Bevan / Female Chaffinch (Fringilla coelebs) shaping nest with her body and wings, Carmarthenshire, Wales, UK, May.

Juergen Freund / Australian freshwater crocodiles (Crocodylus johnsoni) catching a Little red flying fox (Pteropus scapulatus) flying to drink from a watering hole, Kimberley, Western Australia.

Juergen Freund / Australian freshwater crocodiles (Crocodylus johnsoni) trying to catch Little red flying foxes (Pteropus scapulatus) flying to drink from a watering hole, Kimberley, Western Australia

Michael Hutchinson / Money spider (Tenuiphantes sp) tiptoeing behaviour on daisy. Spiders can stand on tiptoes and produced silk to 'balloon' and travel with the airflow. In this image the silk dragline and feinte...