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;[[:Category:Arremon|Arremon]] semitorquatus | ;[[:Category:Arremon|Arremon]] semitorquatus | ||
[[Image:Half-collared Sparrow.jpg|thumb|550px|right|Photo by {{user|Intervales|Intervales}}<br />[[Intervales State Park]], [[Brazil]], January 2010]] | [[Image:Half-collared Sparrow.jpg|thumb|550px|right|Photo by {{user|Intervales|Intervales}}<br />[[Intervales State Park]], [[Brazil]], January 2010]] | ||
==Identification== | ==Identification== | ||
| + | '''Male''': Shows a yellow mandible (and overall bicolored bill), a broken breast band, broad and dark grey flanks and has no yellow at the shoulder area of the wing. <br /> | ||
| + | '''Female''': shows a broken breast band. | ||
| + | ====Similar Species==== | ||
| + | Half-collared Sparrow is very similar to [[Pectoral Sparrow]] but never shows the yellow shoulder of that species. Half-collared Sparrow is found south of and 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 south-eastern [[Brazil]] (Rio de Janeiro to Rio Grande do Sul) | [[South America]]: found in south-eastern [[Brazil]] (Rio de Janeiro to Rio Grande do Sul) | ||
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This taxon is considered a subspecies of [[Pectoral Sparrow]] by some authors<sup>[[#References|[2]]]</sup> | This taxon is considered a subspecies of [[Pectoral Sparrow]] by some authors<sup>[[#References|[2]]]</sup> | ||
==Habitat== | ==Habitat== | ||
| + | Where adjacent to [[Pectoral Sparrow]], Half-collared Sparrow tends to be found at higher elevation. | ||
==Behaviour== | ==Behaviour== | ||
| + | Vocalizations: tends to start with some thin tseet notes followed by two long notes of a musical quality, the second in two syllables<sup>[[#References|[3]]]</sup>. | ||
==References== | ==References== | ||
#{{Ref-Clements6thDec08}}#Avibase | #{{Ref-Clements6thDec08}}#Avibase | ||
| + | #[http://www.museum.lsu.edu/~Remsen/SACCProp83.html SACC proposal] to split Half-collared Sparrow from Pectoral Sparrow | ||
{{ref}} | {{ref}} | ||
==External Links== | ==External Links== | ||
{{GSearch|Arremon+semitorquatus}} | {{GSearch|Arremon+semitorquatus}} | ||
[[Category:Birds]] [[Category:Missing Images]] [[Category:Arremon]] | [[Category:Birds]] [[Category:Missing Images]] [[Category:Arremon]] | ||
Revision as of 17:54, 6 May 2010
- Arremon semitorquatus
Identification
Male: Shows a yellow mandible (and overall bicolored bill), a broken breast band, broad and dark grey flanks and has no yellow at the shoulder area of the wing.
Female: shows a broken breast band.
Similar Species
Half-collared Sparrow is very similar to Pectoral Sparrow but never shows the yellow shoulder of that species. Half-collared Sparrow is found south of and 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 south-eastern Brazil (Rio de Janeiro to Rio Grande do Sul)
Taxonomy
This is a monotypic species[1].
This taxon is considered a subspecies of Pectoral Sparrow by some authors[2]
Habitat
Where adjacent to Pectoral Sparrow, Half-collared Sparrow tends to be found at higher elevation.
Behaviour
Vocalizations: tends to start with some thin tseet notes followed by two long notes of a musical quality, the second in two syllables[3].
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.
- Avibase
- SACC proposal to split Half-collared Sparrow from Pectoral Sparrow
Recommended Citation
- BirdForum Opus contributors. (2025) Half-collared Sparrow. In: BirdForum, the forum for wild birds and birding. Retrieved 11 May 2025 from https://www.birdforum.net/opus/Half-collared_Sparrow
