Birds of the Ovimbundu

Angola has 899 different species of birds. Seven hundred and forty-six of these species are land birds, twenty-seven are sea birds, and one hundred and forty-one are water birds. Also two hundred and four of these species are migratory. Angola does not have any species of birds that are extinct or any species of birds that are extinct in the wild. Only one species is critically threatened and this is known as the Tristan Albatross. However, fourteen species are endangered and eleven are vulnerable. Also twenty species are near threatened. Four of the more common species of birds found in Angola are the African Openbill, the Village Weaver, the African Darter, the White-faced Whistling-Duck, and the Cattle Egret. Benguela, which is part of the Ovimbundu region, has thirty-four different species of birds. Two of these birds also include the Long-tailed Cormorant and the Cattle Egret.

http://www.biodiversityexplorer.org/birds/
ciconiidae/anastomus_lamelligerus.htm

African Openbill

This species can be found in freshwater wetlands such as swamps, marshes, rice fields, the backwaters of lakes or rivers, and flood plains. It can also be found in areas such as grassland or moist savanna and even forest clearings on occasion. This species diet mainly consists of snails, freshwater mussels, frogs, crabs, worms, fish, and insects. 

http://en.wikipedia.org/wiki/Reed_Cormorant

Long-tailed Cormorant       

            The Long-tailed Cormorant can be found in areas where there are sheltered waters with trees, vegetation, and sloping shores. This species also likes floodwaters and freshwater habitats excluding fast-flowing streams. They like slow flowing rivers, creeks, swamps, lagoons, ponds, lakes, and thickets. When it comes to diet, the Long-tailed Cormorant mainly eats fish but also will eat frogs, aquatic insects, mollusks, crustaceans, and even sometimes, small birds.

http://en.wikipedia.org/wiki/African_darter

African Darter          

            The African Darter can be found in shallow, inland freshwater, slow flowing rivers, and lakes. It can also sometimes be found in reservoirs, swamps, and streams. This species usually avoids marine habitats but rarely can be found in coastal lagoons and shallow tidal inlets. The African Darter needs trees and bushes for roosting and has a diet that mainly consists of fish but will also eat aquatic insects, water snakes, crustaceans, amphibians, and mollusks. 

   Cattle Egret             

http://en.wikipedia.org/wiki/Cattle_egret

            The Cattle Egret is found in open grassy areas. These areas include open savanna grassland, meadows, dry fields, livestock pastures, flood plains, rice fields, freshwater swamps, shallow marshes, and even ponds, small rivers, and streams. This species may inhabit marine or forested areas but this is rather rare. The Cattle Egret’s diet mainly consists of insects. This includes beetles, locusts, dragonflies, grasshoppers, and centipedes. However, frogs, mollusks, fish, worms, spiders, lizards, small birds, rodents, and crustaceans are also eaten.