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

Suzi Eszterhas / Nile crocodile (Crocodylus niloticus), tail above water. Sabi Sands Game Reseve, South Africa.

Ann & Steve Toon / Nile crocodile (Crocodylus niloticus) at night, Zimanga private game reserve, KwaZulu-Natal, South Africa.

Ann & Steve Toon / Nile crocodile (Crocodylus niloticus) at night, Zimanga private game reserve, KwaZulu-Natal, South Africa.

Ann & Steve Toon / Nile crocodile (Crocodylus niloticus) at night, Zimanga private game reserve, KwaZulu-Natal, South Africa.

Ann & Steve Toon / Nile crocodile (Crocodylus niloticus) at night, Zimanga private game reserve, KwaZulu-Natal, South Africa.

Ann & Steve Toon / Nile crocodile (Crocodylus niloticus) at night, Zimanga private game reserve, KwaZulu-Natal, South Africa.

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...