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Ludwig's bustard
The Ludwig's bustard (''Neotis ludwigii'') is a species of bird in the bustard family, and named after Baron von Ludwig. It is a medium-to-large sized species. It is found in Angola, Botswana, Lesotho, Namibia, and South Africa. Its habitats include semi-arid grasslands.
The Ludwig's bustard can weigh from , with a mean of for the much larger male and for the female. Length ranges from in females and in males.〔Liebenberg, Louis, ''Field Guide to the Animal Tracks of Southern Africa''. David Philip, Publishers (1990), ISBN 978-0-86486-132-0〕〔''CRC Handbook of Avian Body Masses'' by John B. Dunning Jr. (Editor). CRC Press (1992), ISBN 978-0-8493-4258-5.〕 It lives largely on large insects (mainly locusts), as well as flowers and seeds. Although it lives in semi-arid areas it seems to shift locally to follow the presence of rainfall. During extreme concentrations of rainfall, as many as 230 Ludwig's bustards have been seen at once feeding on locusts.〔Dean & Milton (editors), ''The Karoo: Ecological Patterns and Processes''. Cambridge University Press (1999), ISBN 978-0-521-55450-3〕
This little-known species is now considered endangered. It is thought to be the bird species in Southern Africa most seriously at risk of dying from collisions with power lines.〔() (2011).〕
==References==
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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