Rufous-capped warbler

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Rufous-capped warbler
Basileuterus rufifrons Arizona.jpg
Scientific classification edit
Kingdom: Animalia
Phylum: Chordata
Class: Aves
Order: Passeriformes
Family: Parulidae
Genus: Basileuterus
Species:
B. rufifrons
Binomial name
Basileuterus rufifrons
(Swainson, 1838)
Basileuterus rufifrons map.svg
Range of B. rufifrons
  Year-round range

The rufous-capped warbler (Basileuterus rufifrons) is a New World warbler native from Mexico south to Guatemala, rarely occurring as far north as southeastern Arizona and south Texas. Birds in the southern part of the range are now split out as a separate species, as the chestnut-capped warbler (Basileuterus delattrii).

Rufous-capped warblers generally reach a length of about 12.7 cm (5.0 in). They are plain-olive to olive-gray, with white underbellies, bright yellow chests and throats, and a distinctive facial pattern consisting of a rufous cap, a white eyebrow-line (or superciliary), a dark eye-line fading into a rufous cheek, and a white malar marking. The bill is rather stout for a warbler, the wings are round and stubby, and the tail is long, often raised at a high angle and flicked.

While rufous-capped warblers are generally birds of tropical shrubby highlands, North American sightings tend to be in oak woodland canyon bottoms, near running water, while the birds stay low in dense vegetation.

The courtship song of the rufous-capped warbler is a rapid, accelerating series of chipping notes (chit-chit-chit-chitchitchit), somewhat reminiscent of the rufous-crowned sparrow, while the call note is a hard chik or tsik, often repeated. Like other New World warblers, this species does not actually warble. Male rufous‐capped warblers have complex songs with many syllable types shared both within and between males’ repertoires. The males also show seasonal, temporal and annual variation in their song use.[2]

Rufous-capped warblers primarily feed on insects and spiders, foraging through dense brush and scanning close to the ground for movement. They are not generally known to flycatch from perches.

References[edit]

  1. ^ BirdLife International (2020). "Basileuterus rufifrons". IUCN Red List of Threatened Species. 2020: e.T22722016A138776209. doi:10.2305/IUCN.UK.2020-3.RLTS.T22722016A138776209.en. Retrieved 12 November 2021.
  2. ^ Demko, A.D.; Mennill, D.J. (2019). "Rufous‐capped Warblers Basileuterus rufifrons show seasonal, temporal and annual variation in song use". Ibis. 161 (2): 481–494. doi:10.1111/ibi.12666.

External links[edit]