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;[[:Category:Arremon|Arremon]] taciturnus | ;[[:Category:Arremon|Arremon]] taciturnus | ||
==Identification== | ==Identification== | ||
| + | '''Male''': The breast band is complete in most individuals of the nominate subspecies, but there is variation. Mandible is black in the nominate form, but yellow in the northern birds. The nominate form has narrow and pale grey flanks, while these are darker and wider in nothern birds. The shoulder area of the wing is yellow. <br /> | ||
| + | '''Female''': lack breast band in the nominate form, but may show trace of breast band elsewhere. | ||
| + | |||
| + | ====Similar Species==== | ||
| + | [[Half-collared Sparrow]] is very similar but never shows the yellow shoulder; it is found south of but adjacent to the nominate form of Pectoral Sparrow which differ in flank color, mandible color, and in having a complete breast band (but Half-collared Sparrow is, except for lacking the yellow sholder, more similar in plumage to the northern forms of Pectoral Sparrow). | ||
==Distribution== | ==Distribution== | ||
[[South America]]: found in [[Colombia]], [[Venezuela]], [[Guyana]], [[Suriname]], [[French Guiana]], [[Peru]], [[Bolivia]], [[Brazil]] | [[South America]]: found in [[Colombia]], [[Venezuela]], [[Guyana]], [[Suriname]], [[French Guiana]], [[Peru]], [[Bolivia]], [[Brazil]] | ||
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*''A. t. nigrirostris'': | *''A. t. nigrirostris'': | ||
:*Tropical south-eastern [[Peru]] to northern [[Bolivia]] and north-western [[Argentina]] | :*Tropical south-eastern [[Peru]] to northern [[Bolivia]] and north-western [[Argentina]] | ||
| + | |||
| + | [[Half-collared Sparrow]] was considered a subspecies of Pectoral Sparrow by some authorities. | ||
==Habitat== | ==Habitat== | ||
| + | Lowlands; where adjacent to [[Half-collared Sparrow]], Pectoral Sparrow tends to be found at lower elevation. | ||
==Behaviour== | ==Behaviour== | ||
| + | Vocalizations: tends to start with some thin tseet notes followed by three drawn out notes of a screechy quality<sup>[[#References|[2]]]</sup>. | ||
==References== | ==References== | ||
| − | #{{Ref-Clements6thDec08}}#Avibase | + | #{{Ref-Clements6thDec08}}#[http://www.museum.lsu.edu/~Remsen/SACCProp83.html SACC proposal] to split Half-collared Sparrow from Pectoral Sparrow |
| + | #Avibase | ||
{{ref}} | {{ref}} | ||
==External Links== | ==External Links== | ||
Revision as of 17:55, 6 May 2010
- Arremon taciturnus
Identification
Male: The breast band is complete in most individuals of the nominate subspecies, but there is variation. Mandible is black in the nominate form, but yellow in the northern birds. The nominate form has narrow and pale grey flanks, while these are darker and wider in nothern birds. The shoulder area of the wing is yellow.
Female: lack breast band in the nominate form, but may show trace of breast band elsewhere.
Similar Species
Half-collared Sparrow is very similar but never shows the yellow shoulder; it is found south of but adjacent to the nominate form of Pectoral Sparrow which differ in flank color, mandible color, and in having a complete breast band (but Half-collared Sparrow is, except for lacking the yellow sholder, more similar in plumage to the northern forms of Pectoral Sparrow).
Distribution
South America: found in Colombia, Venezuela, Guyana, Suriname, French Guiana, Peru, Bolivia, Brazil
Taxonomy
Subspecies[1]
- A. t. axillaris:
- A. t. taciturnus:
- A. t. nigrirostris:
Half-collared Sparrow was considered a subspecies of Pectoral Sparrow by some authorities.
Habitat
Lowlands; where adjacent to Half-collared Sparrow, Pectoral Sparrow tends to be found at lower elevation.
Behaviour
Vocalizations: tends to start with some thin tseet notes followed by three drawn out notes of a screechy quality[2].
References
- Clements, JF. 2008. The Clements Checklist of Birds of the World. 6th ed., with updates to December 2008. Ithaca: Cornell Univ. Press. ISBN 978-0801445019.
- SACC proposal to split Half-collared Sparrow from Pectoral Sparrow
- Avibase
Recommended Citation
- BirdForum Opus contributors. (2025) Pectoral Sparrow. In: BirdForum, the forum for wild birds and birding. Retrieved 11 May 2025 from https://www.birdforum.net/opus/Pectoral_Sparrow
