Bence Mate / Grey heron (Ardea cinerea) close up with large fish in beak, Lake Csaj, Kiskunsagi National Park, Pusztaszer, Hungary. February.

Bence Mate / Grey heron (Ardea cinerea) close up with fish in beak, Lake Csaj, Kiskunsagi National Park, Pusztaszer, Hungary, February.

Bence Mate / Grey Heron (Ardea cinerea) with large carp fish in beak, Lake Csaj, Kiskunsagi National Park, Pusztaszer, Hungary. February.

Bence Mate / Dalmatian pelicans (Pelecanus crispus) low angle perspective of open bills whilst feeding, Lake Kerkini, Greece, February.

Andy Rouse / Great crested grebe (Podiceps cristatus cristatus) with young chicks on back, Cardiff, UK, April.

LYNN M. STONE / Free-range New Hampshire rooster, by corn pile in snow-covered field. Higganum, Connecticut, USA.

Ann & Steve Toon / Rothschild's giraffes (Giraffa camelopardalis rothschildi), feeding on leaves, Woburn Safari Park, UK, June, captive.

Daniel Heuclin / Red coachwip or Red racer (Masticophis flagellum piceus) eating Sceloporus lizard, Catalina foothill, Arizona, June.

Bence Mate / Head portrait of Satiny Parrot snake (Leptophis depressirostris) swallowing frog, Hungary, Europe

Eric Baccega / Shoebill stork (Balaeniceps rex) female feeding on a Spotted African lungfish (Protopterus dolloi) in the swamps of Mabamba, Lake Victoria, Uganda.. Sequence 6/13

Eric Baccega / Shoebill stork (Balaeniceps rex) female feeding on a Spotted African lungfish (Protopterus dolloi) in the swamps of Mabamba, Lake Victoria, Uganda.. Sequence 7/13

Eric Baccega / Shoebill stork (Balaeniceps rex) female feeding on a Spotted African lungfish (Protopterus dolloi) in the swamps of Mabamba, Lake Victoria, Uganda.. Sequence 8/13