Bernard Castelein / Village weaver bird (Ploceus cucullatus) perched in tree, Gambia.

Guy Edwardes / Southern brown-throated weaver (Ploceus xanthopterus) male perched on reed, Chobe River, Botswana.

Denis-Huot / Village weaver (Ploceus cucullatus) male bird building nest, Masai-Mara Game Reserve, Kenya

Nick Garbutt / Vitelline masked weaver (Ploceus velatus) male constructing / buidling its nest by weaving grass. Ndutu, Ngorongoro Conservation Area (NCA), Tanzania.

Philippe Clement / Red fody / Madagascar weaver (Foudia madagascariensis) male calling, native to Madagascar, captive

Richard Du Toit / Four Redheaded weaver (Anaplectes rubriceps) bird nests hanging from wire, Kruger National Park, South Africa.

Sean Viljoen / Slow motion clip of a flock of Red-billed quelea (Quelea quelea) flying at sunset, Moremi Game Reserve, Botswana.

Sean Viljoen / Slow motion clip of a flock of Red-billed quelea (Quelea quelea) flying at sunset, Moremi Game Reserve, Botswana.

Sean Viljoen / Slow motion clip of a flock of Red-billed quelea (Quelea quelea) flying at sunset, Moremi Game Reserve, Botswana.

Tony Phelps / Cape weavers (Ploceus capensis) drinking, De Hoop Nature Reserve, Western Cape, South Africa, April.

Tony Phelps / Chacma baboon (Papio hamadryas ursinus) resting, with Cape weavers (Ploceus capensis) drinking in the foreground, De Hoop Nature Reserve, Western Cape, South Africa, April.

Denis-Huot / Village weaver bird (Ploceus cucullatus) male building a nest after the rains, Masai-Mara Game Reserve, Kenya. February.