|In California, USA|
The taxonomy of this species has been debated. At the higher level, some authors place the towhees in the family Fringillidae. Within the group, there has been debate about whether the distinction between this species and the similar canyon towhee (Melozone fuscus) should be at the specific or subspecific level. The two populations are quite isolated from each other, and molecular genetics seems to have settled the matter in favour of two distinct species for the present. On the other hand there seems to be little distinction between the northern and Baja Californian populations within M. crissalis.
The California towhee's coloring is dull brown overall with light rust undertail coverts and buff or rust colored streaks at the throat. There is little sexual dimorphism. It is around 20–25 cm (7.9–9.8 in) in length, and has a noticeably long tail of 8.2 to 11.6 cm (3.2 to 4.6 in). Its appearance suggests a large, plain sparrow. Males weigh from 48.6–61.2 g (1.71–2.16 oz), with an average of 53.9 g (1.90 oz), while females weigh from 46.3–61.2 g (1.63–2.16 oz), with an average of 51.8 g (1.83 oz). Among standard measurements, the wing chord is 7.9 to 10.4 cm (3.1 to 4.1 in), the bill is 1.3 to 1.6 cm (0.51 to 0.63 in) and the tarsus is 2.3 to 2.8 cm (0.91 to 1.10 in).
This bird's natural habitat is brush or chaparral, but it adapts well to urban parks and gardens. However, its skulking habits combined with its nondescript appearance mean that it is not one of the better known garden birds even though it is regularly drawn to feeding stations.
Nests are typically found in low branches or shrubs about 0.5 to 4 m (1.6 to 13.1 ft) above ground. The nest is a bulky cup made of twigs, stems, grasses, and hair.
The California towhee feeds on the ground or in low scrub where it prefers a variety of seeds and some insects. It is most often seen traveling or feeding singly or in pairs.
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The call consists of a single-note sound that different people hear as seet, cheet, cheenk or peenk and the song consists of a long repeating series ended with a trill.
The female incubates the nest of 2 to 4 eggs alone for 11 days. Eggs are laid from March through September with shells that are slightly glossy and pale bluish white with some brownish flecks concentrated mostly on the larger end. Young leave the nest after 8 days.
- BirdLife International (2012). "Melozone crissalis". IUCN Red List of Threatened Species. Version 2013.2. International Union for Conservation of Nature. Retrieved 26 November 2013.
- Sparrows and Buntings: A Guide to the Sparrows and Buntings of North America and the World by Clive Byers & Urban Olsson. Houghton Mifflin (1995). ISBN 978-0395738733.
- CRC Handbook of Avian Body Masses by John B. Dunning Jr. (Editor). CRC Press (1992), ISBN 978-0-8493-4258-5.
- Zink, R. M., & Dittmann, D. L. (1991). Evolution of brown towhees - mitochondrial-DNA evidence. Condor, 93, 98-105.
- Kunzmann, M. R., K. Ellison, K. L. Purcell, R. R. Johnson, and L. T. Haight. 2002. California Towhee (Pipilo crissalis). In The Birds of North America, No. 632 (A. Poole and F. Gill, eds.). The Birds of North America, Inc., Philadelphia, PA.
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|Wikispecies has information related to: Pipilo crissalis|
- California towhee Species Account – Cornell Lab of Ornithology
- California towhee - Pipilo crissalis - USGS Patuxent Bird Identification InfoCenter
- "California towhee media". Internet Bird Collection.
- California towhee photo gallery at VIREO (Drexel University)
- Interactive range map of Melozone crissalis at IUCN Red List maps