From Opus
- Haemorhous mexicanus
Carpodacus mexicanus
[edit] Identification
L. 5-6" (13-15 cm)
Male
Bright red on crown, breast, and rump. A yellow carotinoid variant is sometimes seen (photo below).
Female
Plain, unstriped head and heavy streaking on light underside
Immature males
Less highly coloured, often orangish or yellowish on head and breast
Geographical variation
In north-west Mexico is a region where House Finch males are extensively red and with much less brownish streaking on the underside[2] (probably subspecies ruberrimus).
[edit] Distribution
North America, Canada to southern Mexico
[edit] Taxonomy
Formerly placed in genus Carpodacus.
[edit] Subspecies
The yellow carotinoid variant
Photo by
digishooterKern Co, CA,
USA, May 2011
This is a polytypic species consisting of twelve subspecies[1]:
- H. m. ruberrimus: Southern Baja California and north-western Mexico (Sonora, southern Sinaloa and south-western Chihuahua)
- H. m. rhodopnus: Arid tropical central Sinaloa
- H. m. coccineus: Mountains of south-western Mexico (southern Nayarit and western Zacatecas to western Michoacán)
- H. m. potosinus: Southern Texas (Rio Grande Valley) to Chihuahua and south-western Tamaulipas
- H. m. centralis: Central Mexican plateau (Guanajuato, Querétaro and adjacent states)
- H. m. mexicanus: South central Mexican plateau (eastern Michoacán to Hidalgo and Oaxaca)
- H. m. roseipectus: Southern Mexico (southern Puebla and Valley of Oaxaca)
- H.. m. griscomi: South-western Mexico (Sierra Madre del Sur of Guerrero)
- H. m. mcgregori: Formerly San Benito and Cedros island (off Baja California). Extinct
[edit] Habitat
Deserts, orchards, coastal valleys and forests.
[edit] Behaviour
[edit] Breeding
A tightly woven, compact nest is made and set in a bush, thicket, natural cavity, or on a building. The clutch consists of 3-5 bluish, lightly streaked or spotted eggs.
Diet includes insects and grass seeds.
[edit] References
- Clements, JF. 2011. The Clements Checklist of Birds of the World. 6th ed., with updates to August 2011. Ithaca: Cornell Univ. Press. ISBN 978-0801445019. Spreadsheet available at http://www.birds.cornell.edu/clementschecklist/downloadable-clements-checklist
- Birdforum thread discussing redder House Finch in Mexico
[edit] External Links