Enrique Lopez-Tapia / Anhinga (Anhinga rufa) in mangrove tree, Orango Island, Guinea-Bissau, December 2013.

Loic Poidevin / African darter (Anhinga rufa) on a branch, Baringo Lake, Kenya, October.

Lou Coetzer / African darter (Anhinga rufa) drying wings, Chobe River, Botswana, June.

Lou Coetzer / African darter (Anhinga rufa) with fish stuck in its throat, Chobe River, Botswana, November.

Lou Coetzer / African darter (Anhinga rufa) choking on a fish, Chobe River, Botswana, November

Lou Coetzer / African darter (Anhinga rufa) in flight, Chobe River, Botswana, June.

Lou Coetzer / African darter (Anhinga rufa) in flight trying to retrieve dropped food, Chobe River, Botswana, October.

Lou Coetzer / African darter (Anhinga rufa) in flight low over water, Chobe River, Botswana, October.

Pete Oxford / RF - African darter (Anhinga rufa) perched on dead tree branch in river, basking, Murchison Falls National Park Uganda. (This image may be licensed either as rights managed or royalty free.)

Bernard Castelein / African darter (Anhinga rufa) standing on muddy riverbank with wings spread, drying its feathers after fishing, Allahein River, The Gambia.

Bernard Castelein / African darter (Anhinga rufa) swimming in river, partially submerged, Bao Bolong Wetland Reserve, The Gambia.

Bernard Castelein / African darter (Anhinga rufa) perched in mangrove, Bao Bolong Wetland Reserve, The Gambia.