Worthen's sparrow

Spizella wortheni can range in heights from 12.5–14 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.³

The Worthen's sparrow is classified as Endangered (EN), considered to be facing a very high risk of extinction in the wild.

Back to 'Rare Worthen's sparrow nest sites found in Mexico' * Previous Article * Next Article * Play next * Play all * Clear playlist * Autoplay * Autorepeat Drag here to remove item from playlist THE SPARROW HAS LANDED and Friends THE SPARROW HAS LANDED and FriendsSimon Farrer and his fiancee Rebecca Setterfield traveled More

Rare Worthen's sparrow nest sites found in Mexico Monday, 22 March 2010 By Matt Walker Editor, Earth News hree new breeding sites of one of the world's rarest birds, the Worthen's sparrow of Mexico, have been found. The discovery of nests in the states of Nuevo Leon and Coahuila confirms the bird needs desert scrub to breed. Such information may help conservationists formulate a plan to save the species from extinction. More

Worthen's Sparrow is endemic to North-Eastern Mexico and currently occupies a 25 km² range.³ Populations formerly occurred in Zacatecas, Coahuila, Nuevo León and Tamaulipas, however presently is only known to occur from south-eastern Coahuila to western Nuevo León.4 Spizella wortheni prefers open, arid shrub-grassland at elevations of 1,200-2,450 m. For foraging, the species prefers open areas with low grasses. For nesting and cover, it usually inhabits low, dense shrubs. More

The Worthen's Sparrow is an enigmatic species historically recorded in the southwestern United States. Rare, little known, and difficult to find in its known Mexican range, this species may be more adapted to grassland habitats that have disappeared or been drastically altered since European settlement. More

Though the Worthen's sparrows have been spotted in winter (they're sometimes tallied during the Christmas Bird Count), little is known about where they spend the summer or breed. The discovery of nests in La Carbonera and San Rafael in the state of Nuevo León, and San José del Alamito in the state of Coahuila adds to the body of scientific data indicating that the birds breed in grassland habitat. The findings highlight the need to protect that habitat, the authors say. More

Worthen's sparrow (Spizella wortheni) was originally discovered in the United States, where just a single bird was caught on 16 June 1884, near Silver City, New Mexico. No Worthen's sparrows have since been captured in the country, where it is now thought to be extinct. Formerly, the bird also ranged over much of the Mexican Plateau. More

Conservation of Worthen's Sparrow and other Neotropical Migrants on Saltillo grasslands, Mexico = Region: - Located near the city of Saltillo in northern Mexico Partner: - Pronatura Noreste Initiation: - January 2006 Worthen’s Sparrow. More

Images Worthen's sparrow on cactus This little-known bird, endemic to Mexico, has a dull brown plumage with a distinctive head pattern. The head is steely-grey with a rufous crown and brownish markings behind and below the eye. Upperparts are otherwise sandy grey-brown streaked with ... More

Images Worthen's sparrow on cactus © Alan Greensmith / www.ardea. More

Rare Worthen's Sparrow Nest Sites Found in Mexico Matt Walker - BBC Earth News go to original March 22, 2010 A male sparrow searches for a mate. SPARROW SPOTTING: Worthen's sparrow stands just 13cm tall on average and is identifiable by its distinctive head pattern, sporting a grey head with a rufous crown, brown stripe and pink beak. More

Home > Birdwatch > News > Worthen's Sparrow breeding sites found Search birdwatch.co.uk: . Birdwatch News Archive = Worthen's Sparrow in north-eastern Mexico. Photo UANL/FCB Worthen's Sparrow in north-eastern Mexico. More

Worthen's Sparrow (Spizella wortheni) is a little known species endemic to Mexico. Visually similar to Field Sparrow (S. pusilla), Worthen's has a very different song and lacks some of the facial markings of the Field Sparrow. Although the first Worthen's Sparrow known to science was collected in New Mexico in the 1800's, the species has not been recorded with certainty in the U.S. since that time. More

Order : Passeriformes
Family : Emberizidae
Genus : Spizella
Species : wortheni
Authority : Ridgway, 1884