Known from the discs' own bird lists
White-necked Hawk
leucopternis lacernulata
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
42 - 48cm. A chunky hawk. In flight has broad wings and a short tail. The adult's head, neck and undersides white; secondaries barred grayish on base; upperside mainly dark slate, sparsely marked with more or less concealed white spots and bars; upper tail coverts prominently barred with white and mottled on the outer webs; basal half of the tail black, rest of the tail white with a narrow subterminal band; iris brown; bill gray; feet yellow.
The immature is similar, but darker, more blackish above with more white spots; head and hindneck streaked black.
Juveniles have wing coverts and scapulars tipped with rufous brown, basal half of tail irregularly barred with white.
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The disc records this picture against the bird without a caption. Disc 1 · 2011
The account, continued
Voice Disc 1 · 2011
A high, drawn out "ziii.....ziii".
Behavior Disc 1 · 2011
Hunts in the subcanopy of dense forest mostly for insects, sometimes soaring over the forest.
Habitat and status Disc 1 · 2011
Rare. More easily seen in the Northern forests of the Litoral.
Distribution Disc 1 · 2011
Atlantic forests of the coast. In Estado São Paulo reported from Pariquera Acu, Ubatumirim. In Estado Rio de Janeiro it is rare in the Serra dos Orgãos ( Cachoeira de Macacu, March 2006, 201).
Taxonomy notes Disc 1 · 2011
When sitting note that the white tips of the secondaries so prominent in Leucopternis polionota are missing. Wingtips shorter than the tail. When flying note the black subterminal tail band and the black trailing edge of the wings.
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
Sooretama, Espirtu Santo. October 17, 2005. Hot, a few clouds. 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: BOSB.CKD; ILSB.CKD; JUSB.CKD; NUSP.CKD; PJSB.CKD; PNSB.CKD; RERB.CKD; RIRB.CKD; SRRB.CKD; SRSB.CKD; UBSB.CKD
Listed on product/edition lists: SEBRAZIL.CKD; SEBZ_D1.CKD
Disc 3 · 2006
Selected on local checklists: BOSB.CKD; ILSB.CKD; JUSB.CKD; NUSP.CKD; PARB.CKD; PJSB.CKD; PNSB.CKD; RERB.CKD; RIRB.CKD; SDTC.CKD; SRRB.CKD; SRSB.CKD; UBSB.CKD
Listed on product/edition lists: SEBZ_D1.CKD; Sebrazil.ckd
Disc 1 · 2011
Selected on local checklists: BOSB.CKD; ILSB.CKD; JUSB.CKD; NUSP.CKD; PARB.CKD; PJSB.CKD; PNSB.CKD; RERB.CKD; RIRB.CKD; SDTC.CKD; SRRB.CKD; SRSB.CKD; UBSB.CKD
Listed on product/edition lists: SEBZ_D1.CKD; Sebrazil.ckd