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| - | ;Poliocephalus poliocephalus | + | ;[[:Category:Poliocephalus|Poliocephalus]] poliocephalus |
| - | [[Image:Hoary-headed_Grebe.jpg|thumb|550px|right|Photo by Tom Tarrant]] | + | [[Image:Hoary-headed_Grebe.jpg|thumb|550px|right|Photo by {{user|Tom+Tarrant|Tom Tarrant}}]] |
| | ==Identification== | | ==Identification== |
| - | Adult breeding: brownish-grey above and whitish below with grey upper breast and brownish-grey flanks. Forehead grey-brown darkening towards black hindcrown and nape with whitish streaks over head and cheeks giving a hoary appearance, chin black. Iris usually pale yellowish-white, bill black with white tip, legs olive-green. Adult non-breeding: generally duller and greyer, streaking on head much reduced but dark cap retained. Juvenile: as non-breeding adult but with indistinctly striped face. Flight: broad white trailing edge to secondaries on upperwing which continues across most of the primaries. Length 29-31cm. | + | L. 29-31cm |
| | + | ====Adult Breeding==== |
| | + | *Brownish-grey above |
| | + | *Whitish below |
| | + | *Grey upper breast |
| | + | *Brownish-grey flanks |
| | + | *Grey-brown forehead darkening towards black hindcrown and nape |
| | + | *Whitish streaks over head and cheeks give hoary appearance |
| | + | *Black chin |
| | + | *Usually pale yellowish-white iris |
| | + | *Black bill with white tip |
| | + | *Olive-green legs |
| | + | |
| | + | ====Adult Non-breeding==== |
| | + | G-enerally duller and greyer, streaking on head much reduced but dark cap retained |
| | + | ====Juvenile==== |
| | + | Similar to non-breeding adult but with indistinctly striped face. |
| | + | ===Flight=== |
| | + | Broad white trailing edge to secondaries on upperwing which continues across most of the primaries. |
| | | | |
| | ==Distribution== | | ==Distribution== |
| - | Southern half of [[Australia]] and [[Tasmania]]. | + | Southern half of [[Australia]] and Tasmania. |
| | | | |
| | ==Taxonomy== | | ==Taxonomy== |
| | + | This is a monotypic species.<sup>[[#References|[1]]]</sup> |
| | + | |
| | ==Habitat== | | ==Habitat== |
| | Lakes, reservoirs and large swamps. | | Lakes, reservoirs and large swamps. |
| | ==Behaviour== | | ==Behaviour== |
| | + | ====Breeding==== |
| | Breeds November-January or after rains. Nest is a floating heap of vegetation Eggs: 3-6, greenish-white to pale blue initially. | | Breeds November-January or after rains. Nest is a floating heap of vegetation Eggs: 3-6, greenish-white to pale blue initially. |
| | + | ====Diet==== |
| | + | Includes small fish and aquatic invertebrates. |
| | + | |
| | + | ==References== |
| | + | # Clements, James F. 2007. ''The Clements Checklist of Birds of the World''. 6th ed., with updates to October 2007. Ithaca: Cornell University Press. ISBN 9780801445019 |
| | | | |
| - | Diet includes small fish and aquatic invertebrates. | |
| | ==External Links== | | ==External Links== |
| - | *[http://www.aviceda.org/abid/birdimages.php?action=birdspecies&fid=44&bid=607 View more images of this species on the ABID] | + | {{GSearch|Hoary-headed+Grebe}} |
| | | | |
| - | [[Category:Birds]] [[Category:Incomplete]] | + | [[Category:Birds]] [[Category:Poliocephalus]] |
Current revision
- Poliocephalus poliocephalus
[edit] Identification
L. 29-31cm
[edit] Adult Breeding
- Brownish-grey above
- Whitish below
- Grey upper breast
- Brownish-grey flanks
- Grey-brown forehead darkening towards black hindcrown and nape
- Whitish streaks over head and cheeks give hoary appearance
- Black chin
- Usually pale yellowish-white iris
- Black bill with white tip
- Olive-green legs
[edit] Adult Non-breeding
G-enerally duller and greyer, streaking on head much reduced but dark cap retained
[edit] Juvenile
Similar to non-breeding adult but with indistinctly striped face.
[edit] Flight
Broad white trailing edge to secondaries on upperwing which continues across most of the primaries.
[edit] Distribution
Southern half of Australia and Tasmania.
[edit] Taxonomy
This is a monotypic species.[1]
[edit] Habitat
Lakes, reservoirs and large swamps.
[edit] Behaviour
[edit] Breeding
Breeds November-January or after rains. Nest is a floating heap of vegetation Eggs: 3-6, greenish-white to pale blue initially.
Includes small fish and aquatic invertebrates.
[edit] References
- Clements, James F. 2007. The Clements Checklist of Birds of the World. 6th ed., with updates to October 2007. Ithaca: Cornell University Press. ISBN 9780801445019
[edit] External Links