House Wren

troglodytes aedon

Troglodytidae · Wrens

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

The account

Description

12 cm. A common little brown bird. Buffy brown above, ligher below, Indicated light superciliary. Dark bars on wings and tail.

Juveniles are indistinctly barred on back and chest.

The disc records this picture against the bird without a caption. Disc 3 · 2006

Where it was recorded

The discs' own checklists select House Wren at 27 localities.

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. 1 recorded locality lies beyond the map's edge and is listed below instead.1 has no usable coordinate and is listed below unplotted.

Angra dos Reis ANRB
Assis ASSB
Barreiro Rico BRSB
Boraceia BOSB
Campos do Jordão CASB
Fazenda Intervales FASB
Fazenda Paraiso PASB
Ilha do Cardoso ILSB
Ilha São Sebastião SSSB
Itirapina ITSB
Jureia-Peruibe JUSB position not recoverable
Marica MRRB
Morro do Diabo MOSB outside the map
Nucleo Sta. Virginia NUSP
Parati PARB
Pariquera-Abaixo PESB
PE Carlos Botelho PCSB
PE Jacupiranga PJSB
Reserva Ecológica Guapiacú RERB
Rio de Janeiro RIRB
Santa Barbara do Rio Pardo SNSB
Serra Bocaina SESB
Serra da Cantareira SRSB
Serra dos Orgãos SRRB
Serra dos Tucanos SDTC
Sete Barras STSB
Ubatuba UBSB

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

The song is a warble containing stacatto strophes as heard on all three vocalizations. Also a typical nasal 'jeeyah' (¹³³).

Behavior

Forages in dense vegetation near the ground, but frequently is quite tame and shows up in the open, especially if its curiosity is aroused by squishing etc.

Breeding

Nest is in a variety of cavities, in hollow logs, in walls of houses and under roofs, bridges etc. August-February. Multiple broods.

Habitat and status

Ubiquitous, inhabits a number of open, more or less degraded habitats containing dense low vegetation, borders of woodland, eucalyptus groves, borders of swamps, secondary scrub, roadside, gardens, plantations, city parks.

Distribution

Throughout.

Taxonomy notes

This species is listed as Troglodytes musculus in ¹⁴².

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. Serra da Canastra, 11/9/98. Sunny. Scrubby slopes. With Aratinga auricapilla.
Song. Serra do Cipo, 11/16/98. Sunny, 20°C. Open scrub.
Fazenda Intervales near Ubatuba, 11/30/97. Cloudy 20°C. Open scrub.

Recording files on the disc

9487.mp3 Song. Serra da Canastra, 11/9/98. Sunny. Scrubby slopes. With Aratinga auricapilla.
8350.mp3 Song. Serra do Cipo, 11/16/98. Sunny, 20°C. Open scrub.
5626.mp3 Fazenda Intervales near Ubatuba, 11/30/97. Cloudy 20°C. Open scrub.

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	troglodytes aedon	House Wren	Troglodytidae
CLEMENTS	troglodytes aedon	House Wren	Troglodytidae
AOU_HM	troglodytes aedon	House Wren	Troglodytidae

Source details

Identifier on this site: seb_species_0319
Account identifier: seb_account_0319
Account number on the disc: 319
Source edition: CD03 / 2006 package
Original taxonomy scheme: WORLD
Structure status: heuristic; decoded_account_text and segment JSON remain authoritative