Cassin's Sparrow (us-RGV)
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Contents |
Regional Information
Range, Abundance, and Seasonal Variations
Directions and Maps
General Information
Size
Length: ??cm (??in), Wingspan: ??cm (??in)
Field Marks
Large, gray, conical bill, brown crown, grayish face, lores and supercilium, brown streak extends behind eye, gray back and wings with brown streaks. Underparts pale, darkest on breast, faint dark streaks on flanks. Long, brown tail with paler. barred central tail feathers and a pale outer border. Sexes similar. Juvenile: (Spring and Summer) buffier, streaked on breast.
Similar species
The Botteri's Sparrow is very similar to the Cassin's Sparrow and is best identified by its different song. It has a somewhat larger bill and flatter head than the Cassin's. Cassin's has paler central tail feathers with dark barring, pale outer border to the tail, and faint dark streaks on the flanks. Bachman's Sparrow similar but has different range, song and favors more wooded habitats.
Sounds
Feeding & Behavior
Habitat & Nesting
Range
Primarily along the United States/Mexico border, with a breeding range that extends through the Great Plains states up to the southwestern corner of Nebraska, and a winter range that extends well into Mexico.
Resources
