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(Imp sizes. Picture of immature. References updated) |
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| − | [[Image:Augur_Buzzard.jpg|thumb| | + | [[Image:Augur_Buzzard.jpg|thumb|400px|right|Photo by {{user|jdbirdman|John Dempsey}}<br />Spitzkoppen [[Namibia]], Oct 2004]] |
;[[:Category:Buteo|Buteo]] augur | ;[[:Category:Buteo|Buteo]] augur | ||
==Identification== | ==Identification== | ||
| − | Length | + | Length 48–60 cm (19-23½ in) <br /> |
| − | '''Adult''' | + | '''Adult''' |
| − | + | *White belly and chest, speckled grey | |
| − | '''Immature''': Upper parts brown with buff | + | *Dark slate-grey body |
| + | *Rufous tail feathers | ||
| + | *Yellow beak grey tipped<br /> | ||
| + | '''Immature''': | ||
| + | *Upper parts brown with buff marking | ||
| + | *Brown-streaked white underparts | ||
| + | *Greyish tail below with light barring | ||
| + | *Full adult plumage is attained at about 18 months. | ||
==Distribution== | ==Distribution== | ||
| + | [[Image:Auger Buzzard imm.jpg|thumb|350px|right|Immature<br />Photo by {{user|Fiscalshrike|Fiscalshrike}}<br />[[Serengeti National Park]], [[Tanzania]], November 2011]] | ||
East [[Africa]]: [[Sudan]], [[Ethiopia]], [[Somalia]], and eastern [[Zaire]] to [[Namibia]] and [[Zimbabwe]]. | East [[Africa]]: [[Sudan]], [[Ethiopia]], [[Somalia]], and eastern [[Zaire]] to [[Namibia]] and [[Zimbabwe]]. | ||
==Taxonomy== | ==Taxonomy== | ||
| Line 12: | Line 20: | ||
==Habitat== | ==Habitat== | ||
Prefers mountainous and hilly habitats, but also found in open woodland, savanna and grassland. | Prefers mountainous and hilly habitats, but also found in open woodland, savanna and grassland. | ||
| − | |||
==Behaviour== | ==Behaviour== | ||
====Diet==== | ====Diet==== | ||
| − | + | [[Image:Augurbuzzard.jpg|thumb|350px|right|Photo by {{user|steinn|steinn}}<br />Kifufu, Kilimanjaro, [[Tanzania]], April 2000]] | |
| + | Their diet consists mainly of lizards, snakes and small birds; small mammals and insects are also eaten. | ||
====Breeding==== | ====Breeding==== | ||
| − | + | They build a large stick nest on a cliff or sometimes a tall tree. Two eggs are incubated mostly by the female for 39-45 days; the second egg hatches about a day after the first. The younger chick is usually killed by its sibling within a few days. The surviving chick fledges after about 30 days and the nestling period is about 50 days. | |
==References== | ==References== | ||
#{{Ref-Gibbon02}}#[http://www.oregonzoo.org/Cards/BirdsOfPrey/augurbuzzard.htm Oregon Zoo Animals: Augur Buzzard] | #{{Ref-Gibbon02}}#[http://www.oregonzoo.org/Cards/BirdsOfPrey/augurbuzzard.htm Oregon Zoo Animals: Augur Buzzard] | ||
# [http://www.birdforum.net/showthread.php?p=1523508#post1523508 Thread] in the Taxonomy Forum discussing the relationships of Archer's Buzzard and Augur Buzzard | # [http://www.birdforum.net/showthread.php?p=1523508#post1523508 Thread] in the Taxonomy Forum discussing the relationships of Archer's Buzzard and Augur Buzzard | ||
| − | #{{Ref- | + | #{{Ref-Clements6thAug16}}#Handbook of the Birds of the World Alive (retrieved January 2017) |
{{ref}} | {{ref}} | ||
==External Links== | ==External Links== | ||
{{GSearch|Buteo+augur}} | {{GSearch|Buteo+augur}} | ||
[[Category:Birds]][[Category:Buteo]] | [[Category:Birds]][[Category:Buteo]] | ||
Revision as of 02:03, 1 January 2017
- Buteo augur
Identification
Length 48–60 cm (19-23½ in)
Adult
- White belly and chest, speckled grey
- Dark slate-grey body
- Rufous tail feathers
- Yellow beak grey tipped
Immature:
- Upper parts brown with buff marking
- Brown-streaked white underparts
- Greyish tail below with light barring
- Full adult plumage is attained at about 18 months.
Distribution
East Africa: Sudan, Ethiopia, Somalia, and eastern Zaire to Namibia and Zimbabwe.
Taxonomy
Buteo augur is monotypic[4]; it is closely related to Jackal Buzzard B. rufofuscus. Some authors include Archer's Buzzard as a subspecies or a color morph of Augur Buzzard, others accept it as full species.[3].
Habitat
Prefers mountainous and hilly habitats, but also found in open woodland, savanna and grassland.
Behaviour
Diet
Their diet consists mainly of lizards, snakes and small birds; small mammals and insects are also eaten.
Breeding
They build a large stick nest on a cliff or sometimes a tall tree. Two eggs are incubated mostly by the female for 39-45 days; the second egg hatches about a day after the first. The younger chick is usually killed by its sibling within a few days. The surviving chick fledges after about 30 days and the nestling period is about 50 days.
References
- Gibbon, G. 2002. Roberts' Multimedia Birds of Southern Africa: Version 3. John Voelcker Bird Book Fund. www.sabirding.co.za
- Oregon Zoo Animals: Augur Buzzard
- Thread in the Taxonomy Forum discussing the relationships of Archer's Buzzard and Augur Buzzard
- Clements, J. F., T. S. Schulenberg, M. J. Iliff, D. Roberson, T. A. Fredericks, B. L. Sullivan, and C. L. Wood. 2016. The eBird/Clements checklist of birds of the world: v2016, with updates to August 2016. Downloaded from http://www.birds.cornell.edu/clementschecklist/download/
- Handbook of the Birds of the World Alive (retrieved January 2017)
Recommended Citation
- BirdForum Opus contributors. (2024) Augur Buzzard. In: BirdForum, the forum for wild birds and birding. Retrieved 25 April 2024 from https://www.birdforum.net/opus/Augur_Buzzard
