Ole Jorgen Liodden / Arctic tern (Sterna paradisaea) attacking an Arctic Fox (Vulpes / Alopex lagopus) protecting its nest site, Spitsbergen, Svalbard, Norway. Highly commended, MAMMALS, GDT 2011 competition

Juergen Freund / Little red flying foxes (Pteropus scapulatus) flying from roosting tree at dusk, Atherton Tablelands, Queensland, 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

Juergen Freund / Large group of Little red flying foxes (Pteropus scapulatus) flying at dusk, Atherton Tablelands, Queensland, Australia.

Juergen Freund / Large group of Little red flying foxes (Pteropus scapulatus) flying at dusk, Atherton Tablelands, Queensland, Australia.

Juergen Freund / Colony of Little red flying foxes (Pteropus scapulatus) at roost, with several bats flying in, landing on others on a branch, Atherton Tablelands, Queensland, Australia.

Juergen Freund / Colony of Little red flying foxes (Pteropus scapulatus) leaving roost site, Atherton Tablelands, Queensland, Australia.

Juergen Freund / Spectacled flying fox (Pteropus conspicillatus) babies swaddled up in cloth ready to sleep, Tolga Bat Hospital, Atherton, North Queensland, Australia. January 2008.

Juergen Freund / Crate of Spectacled flying fox (Pteropus conspicillatus) babies just arrived by plane from Brisbane after months of care, ready to be returned to the Tolga Bat Hospital for release back to the wild, A...

Juergen Freund / Spectacled flying foxes (Pteropus conspicillatus) inside enclosure, Tolga Bat Hospital, Atherton, North Queensland, Australia. January 2008.

Juergen Freund / Spectacled flying fox (Pteropus conspicillatus) babies swaddled in cloth ready to sleep, Tolga Bat Hospital, Atherton, North Queensland, Australia. January 2008.

Hanne & Jens Eriksen / Indian flying fox {Pteropus gigantea} in flight, chased by House Crow {Corvus splendens}, Tamil Nadu, India