Yashpal Rathore / Mugger crocodile (Crocodylus palustris) basking in the sunshine, Rangantitu Bird Sanctuary, India,

John Shaw / Yellow-billed stork (Mycteria ibis) watching a Nile crocodile (Crocodylus niloticus). Chobe RIver near Kasane, Botswana, September.

Jen Guyton / Nile crocodile (Crocodylus niloticus) at water's edge with Great white pelican (Pelecanus onocrotalus) prey, and other crocodiles nearby trying to steal the prey. Msicadzi River, Gorongosa National Pa...

Jen Guyton / Nile crocodile (Crocodylus niloticus) at water's edge to feed on Great white pelican (Pelecanus onocrotalus) prey. With birds on the shore including pink-backed pelicans (Pelecanus rufescens), marabou...

Jen Guyton / Nile crocodile (Crocodylus niloticus) with Great white pelican (Pelecanus onocrotalus) prey. Other birds watch from the shore, including great egrets (Ardea alba), grey herons (Ardea cinerea) and hame...

Jen Guyton / Nile crocodile (Crocodylus niloticus) catching a Great white pelican (Pelecanus onocrotalus) prey, Msicadzi River, Gorongosa National Park, Mozambique. During the dry season many water sources dry up...

Jen Guyton / Nile crocodiles (Crocodylus niloticus) fighting over Great white pelican (Pelecanus onocrotalus) in the Msicadzi River, Gorongosa National Park, Mozambique. During the dry season many water sources...

Jen Guyton / Nile crocodile (Crocodylus niloticus) eating Great white pelican (Pelecanus onocrotalus). With birds on the shore including pink-backed pelicans (Pelecanus rufescens), marabou storks (Leptoptilos crum...

Jen Guyton / Nile crocodile (Crocodylus niloticus) underwater holding a Great white pelican (Pelecanus onocrotalus) prey. after a group of the birds dove into the river to hunt fish. Here, the crocodile slowly sw...

Jen Guyton / Nile crocodile (Crocodylus niloticus) with Great white pelican (Pelecanus onocrotalus) prey. Other pelicans flying or wings held up in alarm. Msicadzi River, Gorongosa National Park, Mozambique. Duri...

Jen Guyton / Nile crocodile (Crocodylus niloticus) with Great white pelican (Pelecanus onocrotalus) prey. Other pelicans with wings held up in alarm. Msicadzi River, Gorongosa National Park, Mozambique. During th...

Jen Guyton / Yellow-billed stork (Mycteria ibis) fishing in the Msicadzi River, Gorongosa National Park, Mozambique, while a Nile crocodile (Crocodylus niloticus) swims past. During the dry season many water sour...

Jen Guyton / Nile crocodile (Crocodylus niloticus) emerging from the Msicadzi River, to swallow a mouthful of fish as a yellow-billed stork (Mycteria ibis) scans for fish nearby. Msicadzi River, Gorongosa Nation...

Jen Guyton / Marabou stork (Leptoptilos crumenifer) watching Nile crocodile (Crocodylus niloticus) that has come up to swallow a mouthful of fish. Msicadzi River, Gorongosa National Park, Mozambique. The bird is...

Jen Guyton / Nile crocodile (Crocodylus niloticus) surfacing to eat tiny fish whilst a Marabou stork (Leptoptilos crumenifer) looks on, ready to steal a fish if the opportunity arose. Msicadzi River, Gorongosa Nat...

Jen Guyton / Nile crocodile (Crocodylus niloticus) surfacing to eat tiny fish whilst a Marabou stork (Leptoptilos crumenifer) looks on, ready to steal a fish if the opportunity arose. Msicadzi River, Gorongosa Nat...

Jen Guyton / Nile crocodile (Crocodylus niloticus) surfacing to eat tiny fish whilst a Marabou stork (Leptoptilos crumenifer) looks on, ready to steal a fish if the opportunity arose. Msicadzi River, Gorongosa Nat...

Jen Guyton / Yellow-billed stork (Mycteria ibis) hunting for fish near a Nile crocodile (Crocodylus niloticus) that has come up to swallow a mouthful of fish. Msicadzi River, Gorongosa National Park, Mozambique. D...

Jen Guyton / Nile crocodile (Crocodylus niloticus) surfacing to eat tiny fish whilst a Marabou stork (Leptoptilos crumenifer) looks on, ready to steal a fish if the opportunity arose. Msicadzi River, Gorongosa Nat...

Jen Guyton / A Nile crocodile (Crocodylus niloticus) feeding on great white pelican (Pelecanus onocrotalus) in the Msicadzi River, Gorongosa National Park, Mozambique. During the dry season many water sources dry...

Jen Guyton / Marabou stork (Leptoptilos crumenifer) snatching a small fish from the jaws of a Nile crocodile (Crocodilus niloticus) that has come up to swallow the fish. Gorongosa National Park, Mozambique

Jen Guyton / Nile crocodile (Crocodylus niloticus) emerging from the Msicadzi River as Marabou storks (Leptoptilos crumenifer) look, Gorongosa National Park, Mozambique

Jen Guyton / Nile crocodile (Crocodylus niloticus) with Great white pelican (Pelecanus onocrotalus) prey, in the Msicadzi River, Gorongosa National Park, Mozambique.

Jen Guyton / Nile crocodile (Crocodylus niloticus) with Great white pelican (Pelecanus onocrotalus) caught in mouth, Msicadzi River, Gorongosa National Park, Mozambique.

Jen Guyton / Marabou stork (Leptoptilos crumenifer) steals a small fish from between the jaws of a Nile crocodile (Crocodylus niloticus) whilst Yellow-billed stork (Mycteria ibis) watches on. Gorongosa National Pa...

Jen Guyton / Nile crocodile (Crocodylus niloticus) emerging from the Msicadzi Rive to swallow a mouthful of fish, whilst Yellow-billed stork (Mycteria ibis) scans for fish in the foreground. Gorongosa National P...

Jen Guyton / Nile crocodile (Crocodylus niloticus) emerges from the Msicadzi River to swallow a mouthful of fish as a yellow-billed stork (Mycteria ibis) scans for fish nearby. Gorongosa National Park, Mozambique...

Jen Guyton / Nile crocodile (Crocodylus niloticus) with White pelican (Pelecanus onocrotalus) caught in mouth whilst a Yellow-billed stork (Mycteria ibis) looks on. Msicadzi River, Gorongosa National Park, Mozambi...

Jen Guyton / Nile crocodile (Crocodylus niloticus) eating Great white pelican (Pelecanus onocrotalus). With birds on the shore including pink-backed pelicans (Pelecanus rufescens), marabou storks (Leptoptilos crum...

Jen Guyton / Nile crocodile (Crocodylus niloticus) with great white pelican (Pelecanus onocrotalus) prey, whilst over birds are on the shore, including great egrets (Ardea alba), grey herons (Ardea cinerea), marab...

Eric Baccega / Nile crocodile (Crocodylus niloticus) resting with flock of white-faced whistling duck around (Dendrocygna viduata). Moremi National Park, Okavango delta, Botswana, Southern Africa

Christophe Courteau / Nile crocodile (Crocodylus niloticus) entering water with African black skimmers (Rynchops niger) in background, Lake Albert, Uganda

Constantinos Petrinos / Yellow-billed stork (Mycteria ibis) with Nile crocodile (Crocodylus niloticus) in the background, Lake Chamo, Nechisar National Park, Arba Minch, Ethiopia, Africa, March 2009.

Richard Du Toit / Nile Crocodile (Crocodylus niloticus) swallowing a goose, summer, Okavango, Botswana

Suzi Eszterhas / Nile Crocodile (Crocodylus niloticus) eating Zebra as African Fish Eagle (Haliaeetus vocifer) flies overhead, Mara River, Masai Mara National Reserve, Kenya

Piotr Naskrecki / Yellow-billed Stork (Mycteria ibis) foraging between Nile Crocodiles (Crocodylus niloticus), Gorongosa National Park, Mozambique

Richard Du Toit / African Skimmer (Rynchops flavirostris) skimming near Nile Crocodile (Crocodylus niloticus), Chobe River, Botswana

Etienne Littlefair / Black-necked stork (Ephippiorhynchus asiaticus) male chasing after a fish in shallow water, with Saltwater crocodile (Crocodylus porosus) in water behind, Corroboree billbong, Northern Territory, Aust...

Richard Flack / Egyptian plover (Pluvianus aegyptius) standing on a rock, Benoue River National Park, north west Cameroon.

David Pattyn / American crocodile (Crocodylus acutus) basking on a beach with flock of Black vultures (Coragyps atratus) nearby, Tayrona National Park, Magdalena, Colombia.

Roland Seitre / Egyptian plover (Pluvianus aegyptius) foraging on stony ground, Niokolo Koba National Park, Senegal.

Roland Seitre / Egyptian plover (Pluvianus aegyptius) walking, portrait, Niokolo Koba National Park, Senegal.

Roland Seitre / Egyptian plover (Pluvianus aegyptius) portrait, Niokolo Koba National Park, Senegal.

Roland Seitre / Egyptian plover (Pluvianus aegyptius) portrait, Niokolo Koba National Park, Senegal.

Roland Seitre / Egyptian plover (Pluvianus aegyptius) portrait, Niokolo Koba National Park, Senegal.

Roland Seitre / Egyptian plover (Pluvianus aegyptius) portrait, Niokolo Koba National Park, Senegal.

Roland Seitre / Egyptian plover (Pluvianus aegyptius) portrait, Niokolo Koba National Park, Senegal..

Roland Seitre / Egyptian plover (Pluvianus aegyptius) walking on stony ground, Niokolo Koba National Park, Senegal.

Roland Seitre / Egyptian plover (Pluvianus aegyptius) in flight over water, Senegal.

Charlie Hamilton-James / Ruppell's vultures (Gyps rueppelli), White backed vultures (Gyps africanus) along with Marabou storks (Leptoptilos crumeniferus) and Crocodiles (Crocodylus niloticus) feeding on a rotting heap of...

Bernard Castelein / Egyptian plover (Pluvianus aegyptius). North bank of Gambia River, Gambia.

Sylvain Cordier / African vulture (Gyps africanus) group and Nile crocodile (Crocodylus niloticus) feeding on African elephant (Loxodonta africana) carcass. Elephant killed by anthrax. Chobe National Park, Botswana.