Known from the discs' own bird lists
Gray-rumped Swift
chaetura cinereiventris
Apodidae,Apodinae
- 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
10.5 cm. A relatively small Chaetura with a short square tail and rectrix spines up to 7 mm long sticking out beyond the web of the tail; glossy black upperparts, broad gray rump and proximal upper tail coverts; underparts light gray, darker on undertail coverts.
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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
Sequences of "zi" notes interspersed with "sizz" ("cheese") notes.
Behavior Disc 1 · 2011
All year resident. Flies over a variety of habitats in flocks.
Breeding Disc 1 · 2011
September to March, uses buildings, hollow trees.
Habitat and status Disc 1 · 2011
Locally common in its main habitat of lowland forest; also in montane forest. Forages also over open country, beaches, mangroves, towns. From sea level to 1800 meters.
Distribution Disc 1 · 2011
Throughout on the coast, the coastal ranges and the serras. Common in the coastal mountains. In Estado São Paulo reported from Bertioga, Guarau, Pariquera-acu, Jureia, Barra do Ribeira, Iguape, Sete Barras, Cananeia, Guaratuba, Ubatuba, Ubatumirim, Sertao das Cotias, PE Carlos Botelho, PE Jacupiranga, Cananeia, Alto do Ribeira, Fazenda Intervales (119).
Taxonomy notes Disc 1 · 2011
This Chaetura swift is slimmer and longer tailed and has narrower curved wings than Chaetura andrei. The tail has sometimes almost a slightly forked appearance. It is not so frequently seen over villages and towns as Chaetura andrei.
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 2 · 2001
Calls. Picinguaba, east of Ubatuba, 11/21/98. Cloudy, light rain, 20°C. Over forest. Disc 2 · 2001
Audio file found on Disc 1 (2011). The asserting release's own preserved disc did not carry it; the historical assertion above is unchanged.
Disc 1 · 2011
Calls. Picinguaba, east of Ubatuba, 11/21/98. Cloudy, light rain, 20°C. Over forest. 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: ANRB.CKD; BOSB.CKD; FASB.CKD; JUSB.CKD; NUSP.CKD; PARB.CKD; PCSB.CKD; PJSB.CKD; RERB.CKD; RIRB.CKD; SESB.CKD; SNSB.CKD; SRRB.CKD; SSSB.CKD; STSB.CKD; UBSB.CKD
Listed on product/edition lists: SEBRAZIL.CKD; SEBZ_D1.CKD
Disc 3 · 2006
Selected on local checklists: ANRB.CKD; BOSB.CKD; FASB.CKD; JUSB.CKD; NUSP.CKD; PARB.CKD; PCSB.CKD; PJSB.CKD; RERB.CKD; RIRB.CKD; SDTC.CKD; SESB.CKD; SNSB.CKD; SRRB.CKD; SSSB.CKD; STSB.CKD; UBSB.CKD
Listed on product/edition lists: SEBZ_D1.CKD; Sebrazil.ckd
Disc 1 · 2011
Selected on local checklists: ANRB.CKD; BOSB.CKD; FASB.CKD; JUSB.CKD; NUSP.CKD; PARB.CKD; PCSB.CKD; PJSB.CKD; RERB.CKD; RIRB.CKD; SDTC.CKD; SESB.CKD; SNSB.CKD; SRRB.CKD; SSSB.CKD; STSB.CKD; UBSB.CKD
Listed on product/edition lists: SEBZ_D1.CKD; Sebrazil.ckd