Piratic Flycatcher

legatus leucophaius

Tyrannidae,Tyranninae · Tyrannine Flycatchers

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

The account

Description

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

Where it was recorded

The discs' own checklists select Piratic Flycatcher at 19 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
Barreiro Rico BRSB
Boraceia BOSB
Fazenda Intervales FASB
Ilha do Cardoso ILSB
Ilha São Sebastião SSSB
Jureia-Peruibe JUSB position not recoverable
Lencois LESB
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
Serra da Cantareira SRSB
Serra dos Orgãos SRRB
Serra dos Tucanos SDTC
Sete Barras STSB

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

Easily identified by its characteristic voice, a repeated 'witidiwü....wi-i......wititidü....wi-i.... ', also 'wü wü wü....'. A series of high whistles continued for a long time 'wi..wi..wi..wi..wi..wi..wi..wi..wi..wi..' and so forth (listen to ¹¹⁵).

Behavior

Usually perches high on top or on the outward branches of trees. A mainly frugivorous generalist which also engages in aerial hawks and less in other kinds of foraging behavior (⁷⁴). Its occurrence generally indicates the presence of a cacique colony where it usurps the nests (³⁰).

Breeding

Takes away nests from other flycatchers and caciques.

Habitat and status

Common, but local at forest edge and border of clearings with tall trees.

Distribution

Throughout. Mostly near sea level, but up to 1000 meters.

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

Calls, Iguape, 10/22/93. Sunny, 25°C. Open swamp with some dead trees. With Buteo magnirostris.
Calls. Fazenda Capricornio near Ubatuba, 11/21/98. Cloudy, 20°C. Forest border. With chatter of pair of Myiodynastes maculatus.
Calls. Cornell Cat#22076/19314. Turvo Forest Reserve, Rio Grande do Sul, 10/17/75. With Vireo olivaceus, Chiroxiphia caudata, Pachyramphus polychopterus, Schiffornis virescens. Recording by W. Belton.
Calls. Iguape, 11/27/97. Cloudy, 28°C. With Pitangus sulphuratus, Pachyramphus polychopterus, Cyclarhis gujanensis, Carpornis cucullatus.

Recording files on the disc

13048.wav Calls, Iguape, 10/22/93. Sunny, 25°C. Open swamp with some dead trees. With Buteo magnirostris.
3239.wav Calls. Fazenda Capricornio near Ubatuba, 11/21/98. Cloudy, 20°C. Forest border. With chatter of pair of Myiodynastes maculatus.
9613.wav Calls. Cornell Cat#22076/19314. Turvo Forest Reserve, Rio Grande do Sul, 10/17/75. With Vireo olivaceus, Chiroxiphia caudata, Pachyramphus polychopterus, Schiffornis virescens. Recording by W. Belton.
6104.mp3 Calls. Iguape, 11/27/97. Cloudy, 28°C. With Pitangus sulphuratus, Pachyramphus polychopterus, Cyclarhis gujanensis, Carpornis cucullatus.

More images

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

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 edited this account; the sections listed below differ from the Disc 3 release text.

Sections with genuine 2011 edits (vs the Disc 3 release): description.

Description Disc 1 · 2011

14 cm. Resembles Empidonomus varius in general coloration. Bill short, thin. Crown dusky-brown with a semi-concealed yellow crown patch and a whitish-gray superciliary stripe. Dark malar streak. Otherwise dark brown above with dusky streaks. Wings and tail dusky. Whitish throat and breast, the breast with indistinct dusky streaks. Pale yellow on the belly. Juvenile paler, lighter on head, less clear face pattern, flight feathers with buffy chestnut fringes, throat and chest with diffuse streaks. The juvenile is paler, lighter on head, with a less clear face pattern, flight feathers with buffy chestnut fringes, throat and chest with diffuse streaks.

Voice Disc 1 · 2011

Behavior Disc 1 · 2011

Breeding Disc 1 · 2011