• Welcome to BirdForum, the internet's largest birding community with thousands of members from all over the world. The forums are dedicated to wild birds, birding, binoculars and equipment and all that goes with it.

    Please register for an account to take part in the discussions in the forum, post your pictures in the gallery and more.
Where premium quality meets exceptional value. ZEISS Conquest HDX.

Hoary-headed Grebe - BirdForum Opus

Revision as of 03:23, 8 May 2009 by Nomdeploom (talk | contribs) (add subspecies info)
Poliocephalus poliocephalus
Photo by Tom Tarrant

Identification

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

Southern half of Australia and Tasmania.

Taxonomy

This is a monotypic species.[1]

Habitat

Lakes, reservoirs and large swamps.

Behaviour

Breeding

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

  1. 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

External Links

Back
Top