Botteri's Sparrow (us-RGV)
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Contents |
Regional Information
Range, Abundance, and Seasonal Variations
Directions and Maps
Often reported from the Old Port Isabel Road. (Sometimes 2 1/2 miles from 511) [1], Also seen in the first mile from its intersection with Highway 100, east of Los Fresnos [2]. See Rio Grande Valley hotspots for more information.
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, long, brown tail. Birds from western part of range have browner plumage. Sexes similar. Juvenile: (Spring to Fall) 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 also very similar but has different range, song and favors more wooded habitats.
Sounds
Feeding & Behavior
Habitat & Nesting
Range
Found in Mexico, with a breeding range that extends into the southeastern tip of the U.S. state of Arizona, and a small non-migratory population in the southern-most tip of Texas.
Resources
