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2012-02-05
Aves bird of the week – African Fish Eagle


The African Fish Eagle - Haliaeetus vocifer- is a large species of eagle that is found throughout sub-Saharan Africa. They are found wherever large bodies of open water occur that have an abundant food supply. The African Fish Eagle is usually seen in pairs and they evenly share the kills. It is the national bird of Zambia and Zimbabwe.

Description

The African Fish Eagle is a large bird, and the female is larger than the male. The adult is very distinctive in appearance with a mostly brown body and large, powerful, black wings. The head, breast, and tail of African Fish Eagles are snow white, with the exception of the featherless face, which is yellow. The eyes are dark brown in colour. The hook-shaped beak, ideal for a carnivorous lifestyle, is yellow with a black tip. The plumage of the juvenile is brown and the eyes are paler compared to the adult. The feet have rough soles and are equipped with powerful talons in order to enable the eagle to grasp slippery aquatic prey.

Call

Its distinctive cry has become synonymous with the sound of Africa. It has two distinct calls - in flight or perched, the sound is something like the American Bald Eagle. When near the nest, its call is more of a 'quock' sound - the female is a little shriller and less mellow than the male. The call is a weee-ah, hyo-hyo or a heee-ah, heeah-heeah.

Food

The African Fish Eagle feeds mainly on fish. It is an opportunistic feeder and may take a wider variety of prey such as water-birds, reptiles and carrion. They may also raid colonies of nesting waterbirds for young and eggs.

Breeding

Breeding season for African Fish Eagles is during the dry season when water levels are low. African Fish Eagles are believed to mate for life. Pairs will often maintain two or more nests, which they will frequently re-use.

The female lays 1 to 3 eggs, which are primarily white with a few reddish speckles. Incubation is mostly done by the female, but the male will incubate when the female leaves to hunt. Incubation lasts for 42 to 45 days before the chicks hatch. The eggs will often hatch a few days apart, and the eldest chick will usually kill any younger chicks. Fledging lasts for 70 to 75 days and after about 8 weeks the chick is capable of feeding itself and will usually begin to venture outside of the nest 2 weeks later.

Conservation Status – Least Concern

The estimated population size is about 300,000 individuals

Bird watching

Widespread in Southern Africa, its habitat is usually limited to larger rivers, lakes, pans and dams, with enough large trees for it to perch on. These eagles are also found near coastal lagoons and estuaries. It is most frequently seen sitting high in a tall tree from where it has a good view of the stretch of river, lakeshore or coastline, which is its territory.

To see these magnificent birds of prey book on one of these Aves Birding Tours/Safaris/Adventures: -

Aves Eastern Cape Birding Tour / Safari /Adventure.

Aves Highlands / Tembe Birding Tour / Safari / Adventure.

Aves KZN Birding Tour / Safari / Adventure.

Aves North East Birding Tour / Safari / Adventure.

Aves North West Birding Tour / Safari / Adventure.

Aves Western Cape Birding Tour / Safari / Adventure.

Aves West Coast Birding Tour / Safari /Adventure.

 

 

 


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