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| | ==Identification== | | ==Identification== |
| - | A small South American grebe with distinctive breeding plumage. Adult breeding: Dark grey-brown above, white below with black streaking on flanks. Crown grey with nape and hindneck black, forehead and ear-coverts soft grey and throat and foreneck white. Tuft of long dull yellow plumes on each side of head behind eye drooping down over ear-coverts. Adult non-breeding: as breeding adult but lacks yellow plumes. Distinguished from White-tufted Grebe Rollandia rolland by black nape patch and white foreneck. | + | L. 28cm |
| | + | |
| | + | *Small |
| | + | ====Adult Breeding==== |
| | + | *Dark grey-brown above |
| | + | *White below |
| | + | *Black streaking on flanks |
| | + | *Grey crown |
| | + | *Black nape and hindneck |
| | + | *Soft grey forehead and ear coverts |
| | + | *White throat and foreneck |
| | + | *Long dull yellow plumes on each side of head |
| | + | **Droop down over ear coverts |
| | + | ====Adult Non-breeding==== |
| | + | Similar to breeding adult but lacks yellow plumes. |
| | + | ===Similar Species=== |
| | + | Distinguished from [[White-tufted Grebe]] ''Rollandia rolland'' by black nape patch and white foreneck. |
| | | | |
| - | Length 28cm. | |
| | ==Distribution== | | ==Distribution== |
| | Western South America from Colombia and Ecuador south to Tierra del Fuego and the Flakland Islands. Partial migrant. | | Western South America from Colombia and Ecuador south to Tierra del Fuego and the Flakland Islands. Partial migrant. |
| | ==Taxonomy== | | ==Taxonomy== |
| - | Two subspecies recognised: juninensis from Colombia to northern Chile and northern Argentina and nominate further south. | + | Two subspecies recognised: ''juninensis'' from Colombia to northern Chile and northern Argentina and nominate further south. |
| | ==Habitat== | | ==Habitat== |
| | Mountain lakes, more coastal areas after breeding | | Mountain lakes, more coastal areas after breeding |
| | ==Behaviour== | | ==Behaviour== |
| - | Diet: Aquatic insects and their larvae, fish and small crustaceans. | + | ====Diet==== |
| - | Breeding: Lays 2 bluish-white eggs in December in a floating nest made of aquatic vegetation | + | Aquatic insects and their larvae, fish and small crustaceans. |
| - | Voice: Clucking and twittering calls. | + | ====Breeding==== |
| | + | Lays 2 bluish-white eggs in December in a floating nest made of aquatic vegetation |
| | + | ==Voice== |
| | + | Clucking and twittering calls. |
| | ==External Links== | | ==External Links== |
| | {{GSearch|Silvery+Grebe}} | | {{GSearch|Silvery+Grebe}} |
| | | | |
| | [[Category:Birds]] | | [[Category:Birds]] |
Revision as of 15:26, 29 January 2008
- Podiceps occipitalis
Photo by canutus
Photo taken: Buenos Aires, Argentina
Identification
L. 28cm
Adult Breeding
- Dark grey-brown above
- White below
- Black streaking on flanks
- Grey crown
- Black nape and hindneck
- Soft grey forehead and ear coverts
- White throat and foreneck
- Long dull yellow plumes on each side of head
- Droop down over ear coverts
Adult Non-breeding
Similar to breeding adult but lacks yellow plumes.
Similar Species
Distinguished from White-tufted Grebe Rollandia rolland by black nape patch and white foreneck.
Distribution
Western South America from Colombia and Ecuador south to Tierra del Fuego and the Flakland Islands. Partial migrant.
Taxonomy
Two subspecies recognised: juninensis from Colombia to northern Chile and northern Argentina and nominate further south.
Habitat
Mountain lakes, more coastal areas after breeding
Behaviour
Diet
Aquatic insects and their larvae, fish and small crustaceans.
Breeding
Lays 2 bluish-white eggs in December in a floating nest made of aquatic vegetation
Voice
Clucking and twittering calls.
External Links
Welcome to BirdForum.
