Chestnut-backed Tanager

tangara preciosa

Thraupidae · Tanagers, Honeycreepers

Disc 2 · 2001 listed
Disc 3 · 2006 listed
Disc 1 · 2011 listed

The account

Description

14.5 cm. Crown, head sides, nape and back copper rufous. Black lores. Rump and wing covers bright ochraceous-yellow. Greater wing covers bluish-violet. Wings and tail black, the feathers edged blue. Underside greenish blue, the sides of belly and crissum rufous.

The female has a rufous head and green nape. Tail and wings black. Below greenish white.

Male Disc 3 · 2006
Female Disc 3 · 2006

Each plate is labelled with the disc's own caption.

Where it was recorded

The discs' own checklists select Chestnut-backed Tanager at 1 locality.

Historical checklist localities on the disc's own area map — the red dots the original program drew, placed by its recovered projection. Not a range map: it shows the places whose checklists record the bird, nothing more.

Fazenda Intervales FASB

How the map was made

The original program computed each red dot at display time from the locality's coordinates, using its map library and one of five base maps drawn for the screen widths of the day. That library's projection — an oblique rotation of the sphere about the map's own centre, 23.7°S 47.4°W — was read from the program and checked against the graticule the same program drew into the base maps: it reproduces every grid intersection to within about a pixel. The dots here use that projection on the 1280-pixel base map, with the coordinates the discs record. Nothing was placed by hand, no modern map data was used, and a place whose coordinate is incomplete, out of range or beyond the map's edge is listed rather than guessed.

The discs carried location maps only; none shows a distribution or range.

Voice

Call 'seeee' (vocalization # 1). Song a high pitched 'see see see see seee' (vocalization # 1) or 'zi zi zi zi seeee sirrrr zi zi zi seeeee zirrrrrrr' (vocalization # 1).

Behavior

Forages in canopy and low in fruiting bushes in pairs or in mixed flocks.

Breeding

Rio Grande do Sul December.

Habitat and status

Relatively common in open forest, gallery forest, forest edge and lower scrubland, gardens, parks, orchards close to open country.

Distribution

From Estado São Paulo southwards. Found at Fazenda Intervales (¹¹⁹), Iguape (Remold, unpubl.). Old records from Capivari (⁴⁰). Below 1000 m (⁴⁰).

Decoded from the disc's own bytes. Each part is shown under the heading the disc files it under, and the wording, spelling and punctuation are the author's.

Vocalizations

Song, calls, Cruce Caballero Provincial Park, Misiones, Argentina, Juan Mazar Barnett.
Song, Cruce Caballero Provicial Park, Misiones, Argentina, with Syristes sibilator, Juan Mazar Barnett.

Recording files on the disc

1780.mp3 Song, calls, Cruce Caballero Provincial Park, Misiones, Argentina, Juan Mazar Barnett.
8776.mp3 Song, Cruce Caballero Provicial Park, Misiones, Argentina, with Syristes sibilator, Juan Mazar Barnett.

Across the three discs

The work was published on three discs — Disc 2 in 2001, Disc 3 in 2006 and Disc 1 in 2011. Where they differ, that is a difference between historical releases, and it is never merged away. The 2011 disc is not treated as correcting the earlier ones.

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.

The account in the Disc 1 · 2011 revision

The 2011 Disc 1 revision carries this account text unchanged from the Disc 3 release.

The work's own taxonomy

The discs carried three parallel name schemes. All three are shown as recovered; none is a modern taxonomy and none has been updated.

Scheme	Scientific name	English name	Family
WORLD	tangara preciosa	Chestnut-backed Tanager	Thraupidae
CLEMENTS	tangara preciosa	Chestnut-backed Tanager	Thraupidae
AOU_HM	tangara preciosa	Chestnut-backed Tanager	Thraupidae

Source details

Identifier on this site: seb_species_0404
Account identifier: seb_account_0404
Account number on the disc: 404
Source edition: CD03 / 2006 package
Original taxonomy scheme: WORLD
Structure status: heuristic; decoded_account_text and segment JSON remain authoritative