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ShrublandCup nestTiny · 12 g
ID tip
Spizella wortheni can range in length from 12.5 to 14 cm. It is identifiable by its distinctive head pattern. It has a grey head with a rufous crown, a brown postocular stripe and a pink bill. It has grey-brown upperparts, with dark brown streaks. It has a grey bottom, and dark brown wings and tail. Its wings are "edged paler, with broad whitish to pale buff wing-bar, buffy-rufous tertial and secondary edging, and greyish lesser coverts". Juveniles are characterized by brownish colouration of the head and chest, with dusky streaking on the head and dark brown streaking on the chest and flanks.
Text from Wikipedia, licensed CC BY-SA 4.0.
When to see the Worthen's Sparrow
One bar for each month. Filled bars are the 10 months with records; pale bars are months with none. The wide bar is July, the month with the most records.
Where to see the Worthen's Sparrow
The map shades 1 country with regular records. Everything unshaded has no records. Countries are listed below the map.
About the Worthen's Sparrow
Worthen's sparrow is a species of American sparrow that is endemic to northeastern Mexico. It was first described by Robert Ridgway in 1884 and named for the American naturalist Charles K. Worthen. This small bird has been listed as endangered by the IUCN since 1994.
Text adapted from Wikipedia, licensed CC BY-SA 4.0.
Easily confused with
Black-chinned SparrowSpizella atrogularisThe black-chinned sparrow is a small passerine, measuring 5 to 5+3⁄4 in.
Brewer's SparrowSpizella breweriBrewer's sparrow is a small, slim species of American sparrow in the family Passerellidae.
Clay-colored SparrowSpizella pallidaThe clay-colored sparrow or clay-coloured sparrow is a small New World sparrow of North America.
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