The African Openbill is an 80–94 cm long stork with a weight of 1–1.3 kg. Its adult plumage is generally dark overall, with glossy green, brown, and purple on the mantle and breast. The bill is brownish and notably large. The legs are black, and the eye is grey. The juvenile plumage is more dull and brown, with areas of pale feather tips.
Habitat and distribution
It is found in Angola, Benin, Botswana, Burkina Faso, Burundi, Cameroon, Central African Republic, Chad, Republic of the Congo, Democratic Republic of the Congo, Ivory Coast, Equatorial Guinea, Eritrea, Ethiopia, Gabon, Ghana, Kenya, Liberia, Madagascar, Malawi, Mali, Mauritania, Mozambique, Namibia, Niger, Nigeria, Rwanda, Senegal, Sierra Leone, Somalia, South Africa, South Sudan, Sudan, Swaziland, Tanzania, Togo, Uganda, Zambia, and Zimbabwe.The bird mainly lives in areas close to water.
The African Openbill feeds mostly on small, aquatic animals, in particular aquatic snails and freshwater mussels. However, it will also eat terrestrial snail, frogs, crabs, fish, worms, and large insects. It uses its bill to detects its prey, and can use it in such a way that it easily pries open molluscs. It tends to feed singly or in small groups.
The African Openbill’s breeding season surrounds the breeding season, due to the influx of snails at that time. During that period, they perform complex displays, often involving bobbing, bill-clattering, and a performance involving rocking back and forth with the head held between the legs. They nest in colonies in trees, which is typical of storks. The nest is made of sticks and reeds, and is roughly 50 cm wide. Storks typically lay 3-4 oval, chalky-white eggs. Eggs are incubated for both sexes for 25–30 days. The chicks and downy and black with a normal sized bill, and they leave the nest 50–55 days later.
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