- Spizella passerina
12–14 cm (5.5 ins)
In breeding plumage quite unique with a solid chestnut cap and black stripe through the eye, with the rest of the sides of the head and undersides an unmarked gray.
In juvenile plumage it has finely streaked underparts, and usually lacks the chestnut crown of an adult.
Five subspecies are recognized:
- S. p. arizonae:
- S. p. passerina:
- S. p. atremaeus:
- Mexico (Sierra Madre Occidental to pine belt of Nuevo León)
- S. p. mexicana:
- S. p. pinetorum:
Some authorities additionally recognize boreophilae.
Woodlands, farmlands, urban districts and suburbs.
The diet includes seeds, insects and small fruits.
It weaves a cup nest from grass and roots. The clutch consists of 2-7 pale blue eggs with dark blotches which are incubated for 10-15 days.
- Clements, J. F., T. S. Schulenberg, M. J. Iliff, S. M. Billerman, T. A. Fredericks, B. L. Sullivan, and C. L. Wood. 2019. The eBird/Clements Checklist of Birds of the World: v2019. Downloaded from http://www.birds.cornell.edu/clementschecklist/download/
- All About Birds
- BirdForum Opus contributors. (2021) Chipping Sparrow. In: BirdForum, the forum for wild birds and birding. Retrieved 24 September 2021 from https://www.birdforum.net/wiki/Chipping_Sparrow