Sujan Ghosh

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Lake Naivasha is a freshwater lake in Kenya, outside the town of Naivasha in Nakuru County, which lies North West of Nairobi. It is part of the Great Rift Valley. The name derives from the local Maasai name Nai'posha, meaning "rough water" because of the sudden storms which can arise.

Lake Naivasha is at the highest elevation of the Kenyan Rift valley at 1,884 metres (6,181 ft) in a complex geological combination of volcanic rocks and sedimentary deposits from a larger Pleistocene era lake. Apart from transient streams, the lake is fed by the perennial Malewa and Gilgil rivers. There is no visible outlet, but since the lake water is relatively fresh it is assumed to have an underground outflow.The lake has a surface area of 139 kmĀ², and is surrounded by a swamp which covers an area of 64 square km, but this can vary largely depending on rainfall.

The lake is home to a variety of types of wildlife including over 400 different species of bird and a sizeable population of hippos. The fish community in the lake has been highly variable over time, influenced by changes in climate, fishing effort and the introduction of invasive species. The most recent shift in the fish population followed the accidental introduction of common carp in 2001.

The Great white pelican (Pelecanus onocrotalus) also known as the eastern white pelican, rosy pelican or white pelican is a bird in the pelican family. It breeds from southeastern Europe through Asia and Africa, in swamps and shallow lakes.

The Egyptian goose (Alopochen aegyptiaca) is a member of the duck, goose, and swan family Anatidae. It is native to Africa south of the Sahara and the Nile Valley. Egyptian geese were considered sacred by the Ancient Egyptians, and appeared in much of their artwork.

The Grey heron (Ardea cinerea) is a long-legged predatory wading bird of the heron family, Ardeidae, native throughout temperate Europe and Asia and also parts of Africa. It is resident in much of its range, but some populations from the more northern parts migrate southwards in autumn.

Great white pelican (Pelecanus onocrotalus)

The Grey-headed gull (Chroicocephalus cirrocephalus), also known as the grey-hooded gull, is a small gull which breeds patchily in South America and Africa south of the Sahara. It is not truly migratory, but is more widespread in winter.

Great white pelican (Pelecanus onocrotalus)

Grey-headed gull (Chroicocephalus cirrocephalus)

The African Fish Eagle (Haliaeetus vocifer), or to distinguish it from the true fish eagles, the African sea eagle, is a large species of eagle found throughout sub-Saharan Africa wherever large bodies of open water with an abundant food supply occur. It is the national bird of Namibia, Zimbabwe, Zambia, and South Sudan.

African Fish Eagle (Haliaeetus vocifer) with catch.

African Fish Eagle (Haliaeetus vocifer) - Juvenile

African Fish Eagle (Haliaeetus vocifer) - Juvenile