Known from the discs' own bird lists
Long-winged Harrier
circus buffoni
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
48 - 56 cm. A very large slender harrier with very long wings, a narrow, long tail and a small head. The male's head and upper side black with a white narrow frontal band and superciliary stripe and a whitish spotted necklace; wing coverts and bases of flight feathers silvery gray tipped black; upper tail coverts white; tail gray, narrowly tipped white and with 5 - 6 black bands; outer rectrices partly rufous; throat spotted black and white, chest band black; belly white, sparsely spotted black; undersides of wings white, boldly barred black; iris brown or yellow, cere brown, feet yellow.
The female is similar, but brown above; underside lightly streaked with fuscous; tibiae tawny.
A mainly sooty black phase also exists with wings and tail barred as in the normal plumage.
The immature is similar to the female, but the underside is either heavily streaked brown and white or entirely fuscous brown, strongly tinged with chestnut on back.
-
The disc records this picture against the bird without a caption. Disc 1 · 2011
The account, continued
Voice Disc 1 · 2011
High "wiie wiie wiie".
Behavior Disc 1 · 2011
Conducts low transect flights with long wings held upwards in an angle, over swamps and open country.
Habitat and status Disc 1 · 2011
Very rare, in cerrado inland or open areas close to coast. Maybe a straggler from the south in fall and winter.
Distribution Disc 1 · 2011
Probably throughout. Was encountered in Estado São Paulo near Iguape, Orissanga (119).
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
Corrientes, Argentina. November 2001. 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 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: PJSB.CKD
Listed on product/edition lists: SEBRAZIL.CKD; SEBZ_D1.CKD
Disc 3 · 2006
Selected on local checklists: PJSB.CKD
Listed on product/edition lists: SEBZ_D1.CKD; Sebrazil.ckd
Disc 1 · 2011
Selected on local checklists: PJSB.CKD
Listed on product/edition lists: SEBZ_D1.CKD; Sebrazil.ckd