Tachybaptus
| Tachybaptus | |
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| Tachybaptus ruficollis in Hyderabad, India. | |
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| Genus: | Tachybaptus L. Reichenbach, 1853
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Tachybaptus is a genus of small members of the grebe family birds. The genus name is from Ancient Greek takhus "fast" and bapto "to sink under".[1] It has representatives over much of the world, including the tropics.
These grebes breed in small colonies in heavily vegetated areas of freshwater lakes. They may move to more open or coastal waters when not breeding, and birds in those areas where the waters freeze may be migratory.
Like all grebes, they nest on the water's edge, since the legs are set very far back and they cannot walk well. The striped young are sometimes carried on the adult's back.
These small grebes are excellent swimmers and divers, and pursue their fish prey underwater. Indeed, the name Tachybaptus literally means "quick diving" (from the Greek for "quick" and "to dip").
The sexes are similar, dumpy and short-billed with a “powder puff” rear end. Adults have a distinctive breeding plumage and loud breeding calls. In winter, they are grey and white.
The five Old World species are closely related to each and at least three have interbred. Unlike these, the least grebe lacks chestnut colouring on the neck, and has formerly been placed in at least three other genera.
Species
- Little grebe, Tachybaptus ruficollis
- Tricolored grebe, Tachybaptus tricolor[2]
- Australasian grebe Tachybaptus novaehollandiae
- Madagascar grebe, Tachybaptus pelzelnii
- Alaotra grebe (rusty grebe), Tachybaptus rufolavatus - Extinct (last seen in 1985, declared extinct in 2010[3][4])
- Least grebe, Tachybaptus dominicus
References
- ^ Jobling, James A (2010). The Helm Dictionary of Scientific Bird Names. London: Christopher Helm. p. 377. ISBN 978-1-4081-2501-4.
- ^ "Grebes". International Ornithological Congress. Retrieved 2015-01-06.
- ^ BirdLife International (2010) Species factsheet: Tachybaptus rufolavatus. Downloaded from http://www.birdlife.org on 26/5/2010
- ^ BirdLife International (2010). Wetland aliens cause bird extinction. Downloaded on 26 May 2010 from http://www.birdlife.org/news/news/2010/05/red-list-for-birds-2010.html
- Olgilvie and Rose, Grebes of the World ISBN 1-872842-03-8
- Harrison, Peter Seabirds: An Identification Guide ISBN 0-7470-1410-8
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