Known from the discs' own bird lists
Lesser Nighthawk
chordeiles acutipennis
Caprimulgidae,Chordeilinae
- 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
19-23 cm. A medium sized nighthawk, the wing tips reaching the tip of the tail. Crown blackish-brown; upperparts brownish speckled grayish-white and spotted blackish-brown; indistinct buffy collar around the hind neck; wing coverts brownish, speckled grayish-white and grayish-brown, speckled and spotted buff; scapulars blackish brown, broadly bordered buff on outer webs; a large throat patch white in the male, buffish in the female; underparts brownish, speckled and spotted grayish, cinnamon, tawny and buff, becoming buff barred brown on belly and flanks.
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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
Song a sequence of a series of low-pitched rolling trills "ooooooooooo" and "kokokokokokokokokokoko" followed by a series of fast nasal "twang" notes.
Behavior Disc 1 · 2011
Crepuscular, nocturnal and partly diurnal. Roosts on or close to ground in thickets, etc. Flight buoyant. Hunts low over open areas and also makes short sallies from the ground.
Breeding Disc 1 · 2011
Breeder
Habitat and status Disc 1 · 2011
Rare in open country, beaches, scrubland, farmland; also humid and riverine woodland, magroves, lagoons. Sea level - 200 meters.
Distribution Disc 1 · 2011
Throughout. in Estado São Paulo recorded from Bertioga, Guarau, Guaratuba, Cananeia (119).
Taxonomy notes Disc 1 · 2011
The male has a white band in flight towards the wing tip across the four outer primaries in contrast to Chordeiles minor, which has the band in the middle of the outer wing.
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
California, April 1995 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; RIRB.CKD
Listed on product/edition lists: SEBRAZIL.CKD; SEBZ_D1.CKD
Disc 3 · 2006
Selected on local checklists: PARB.CKD; PJSB.CKD; RIRB.CKD
Listed on product/edition lists: SEBZ_D1.CKD; Sebrazil.ckd
Disc 1 · 2011
Selected on local checklists: PARB.CKD; PJSB.CKD; RIRB.CKD
Listed on product/edition lists: SEBZ_D1.CKD; Sebrazil.ckd