Bence Mate / Green / Double-crested basilisk (Basiliscus plumifrons) running across water surface, Santa Rita, Costa Rica.

Dave Watts / Southern cassowary (Casuarius casuarius) adult male with chicks, World Heritage National Park rainforest of the Wet Tropics, north Queensland, Australia

Edwin Giesbers / Male Australian / Southern cassowary (Casuarius casuarius) portrait, captive

Edwin Giesbers / Male Australian / Southern cassowary (Casuarius casuarius) head portrait, captive

Konrad Wothe / Southern Cassowary (Casuarius casuarius) female in rainforest, Moresby Range NP, Queensland, Australia, November

Konrad Wothe / Southern Cassowary (Casuarius casuarius) female walking near tourists on beach, Moresby Range NP, Queensland, Australia, November 2010

Konrad Wothe / Southern Cassowary (Casuarius casuarius) female on beach, Moresby Range NP, Queensland, Australia, October

Kevin Schafer / Southern / Double-wattled cassowary (Casuarius casuarius) wild, chick moving through rainforest, Atherton Tablelands, Queensland, Australia, November

Kevin Schafer / Southern / Double-wattled cassowary (Casuarius casuarius) wild, adult male rear view, neck feathers, Atherton Tablelands, Queensland, Australia, November

Kevin Schafer / Southern / Double-wattled cassowary (Casuarius casuarius) wild, adult male rear view, Atherton Tablelands, Queensland, Australia, November

Kevin Schafer / Southern / Double-wattled cassowary (Casuarius casuarius) wild, adult male with chick in rainforest, Atherton Tablelands, Queensland, Australia, November

Kevin Schafer / Southern / Double-wattled cassowary (Casuarius casuarius) wild, adult male feeding on mushroom from tree trunk, Atherton Tablelands, Queensland, Australia, November

David Tipling / Eurasian magpies (Pica pica) five gathering prior to going to roost Hortobagy National Park, Hungary January

Eric Dragesco / Wild Snow leopard (Uncia uncia) feeding on a kill hidden behind a rock, with a Eurasian magpie (Pica pica) in the foreground, Altai Mountains, Mongolia, February.

Jussi Murtosaari / Common magpies (Pica pica) perched on frost covered branches, Jvaskyla, Finland, January.

Markus Varesvuo / Magpie (Pica pica) perched in tree 'doing the splits', Spain, December

Markus Varesvuo / European Magpie (Pica pica) in flight carrying fish prey in beak, Kuusamo, Finland, April

Markus Varesvuo / Magpie (Pica pica) and crow (Corvus sp) in snow. Utajrvi, Finland, February

Bence Mate / Hooded crow (Corvus coronix) and Eurasian Magpie (Pica pica) waiting to scavenging White tailed eagle's (Haliaeetus albicilla) food, Pusztazer, Hungary.

Alex Hyde / Magpie Moth caterpillar (Abraxas grossulariata) showing warning colouration, photographed on a white background. Peak District National Park, Derbyshire, UK. June.

Markus Varesvuo / Magpie (Pica pica) in flight, Sweden October

Andrew Parkinson / Magpie (Pica pica) hopping along over snow covered ground. Derbyshire, UK, November (non-ex)

Jeff Wilson / Female Snow leopard (Panthera uncia) watching a Magpie (Pica pica) outside her den in the Hindu Kush mountains, North West frontier, Pakistan, photographed whilst on location filming for BBC Planet Ea...

Stephen Dalton / Magpie (Pica pica) perching in branches, Autumn, UK