Known from the discs' own bird lists
Gray Hawk
asturina nitida
Accipitridae
- Disc 2 · 2001 listed
- Disc 3 · 2006 listed
- Disc 1 · 2011 listed
The detailed account of this bird below comes from Disc 1 · 2011. The other discs list the bird but carry no account of it, and none is invented here.
From the original Disc 1 · 2011 revision
Detailed account — Disc 1 · 2011
This detailed account first appears in the 2011 Disc 1 revision; the earlier releases have no account for this bird.
Description Disc 1 · 2011
37 - 42 cm. Adult deep brownish gray, slate or bluish gray above, sometimes evenly barred darker; the primaries with black tips, secondaries white tipped; tail black with a white tip and with one or more prominent white bars; underparts gray, evenly barred with white; the throat is sometimes unbarred white; crissum white; iris brown; cere and feet yellow; bill black.
The immature is fuscous brown intermixed with buff or rusty above; head and hindneck buffy to pale cinnamon with dark streaking; below buffy or cinnamon with dark streaks or spots; tail with several pale bands.
-
The disc records this picture against the bird without a caption. Disc 1 · 2011
The account, continued
Voice Disc 1 · 2011
A lound whistle "quiiiu".
Behavior Disc 1 · 2011
Catches lizards etc. by hunting from a perch. Also chases prey by flying low over the ground or through the canopy.
Habitat and status Disc 1 · 2011
Uncommon at the borders of dry forest, savannah, gallery forest.
Distribution Disc 1 · 2011
Extralimital in the north of Estado São Paulo. Reported from Sales Oliveira, Capivari, Sorocaba (119), Estado Rio de Janeiro.
Taxonomy notes Disc 1 · 2011
Sometimes put in the genus Buteo.
The Disc 2 · 2001 contains no detailed account for this bird (its 2011 account is shown above). None is invented here.
The Disc 3 · 2006 contains no detailed account for this bird (its 2011 account is shown above). None is invented here.
Vocalizations
Each disc's own recording entries are shown under that disc's label. A player appears only where the recording's file survives on a preserved disc.
Disc 1 · 2011
Macaulay 127718 Disc 1 · 2011
Macaulay 80761 Disc 1 · 2011
More images
The disc records this picture against the bird without a caption. Disc 1 · 2011 The disc records this picture against the bird without a caption. Disc 1 · 2011
Which discs list this bird
- Disc 2 · 2001 — in this disc's bird list
- Disc 3 · 2006 — in this disc's bird list
- Disc 1 · 2011 — in this disc's bird list
How that was established
- Disc 2 · 2001
aux_nonzero;local_checklist_byte45_flag_1- Disc 3 · 2006
aux_nonzero;local_checklist_byte45_flag_1- Disc 1 · 2011
aux_nonzero;local_checklist_byte45_flag_1
The disc's own record fields that place the bird on its list: a non-empty entry in the species table, and the byte that marks it as selected on a local checklist.
Historical checklist participation
Disc 2 · 2001
Selected on local checklists: RERB.CKD
Listed on product/edition lists: SEBRAZIL.CKD; SEBZ_D1.CKD
Disc 3 · 2006
Selected on local checklists: RERB.CKD
Listed on product/edition lists: SEBZ_D1.CKD; Sebrazil.ckd
Disc 1 · 2011
Selected on local checklists: RERB.CKD
Listed on product/edition lists: SEBZ_D1.CKD; Sebrazil.ckd