About Leucochloris albicollis (Vieillot, 1818)
Size Measurements
The white-throated hummingbird (Leucochloris albicollis) is 10 to 11.5 cm (3.9 to 4.5 in) long. Males weigh 5 to 8 g (0.18 to 0.28 oz), and females weigh about 4.5 g (0.16 oz).
Bill Characteristics
Adults have a medium-length, straight bill with a blackish maxilla and a red mandible with a black tip.
Male Upperparts
Adult males have golden- to bronze-green upperparts. Their uppertail coverts and inner tail feathers are golden-green to brilliant green, while the outer tail feathers are blackish green with white bands near the end.
Male Underparts
Male chin feathers are brilliant green with white edges, the throat is white, and the cheeks and breast are brilliant green to golden-green. The center of the belly is white, with golden- to bronze-green sides and flanks. Undertail coverts are white with some bronze-green to brownish inclusions.
Adult Female Plumage
Adult females are very similar to males but are overall duller and less glittery.
Juvenile Plumage
Juveniles have grayish brown underparts with less white, and brownish tips on their tail feathers.
Distribution Range
The white-throated hummingbird is found in eastern Paraguay, southeastern Brazil from Minas Gerais and Espírito Santo south, Uruguay, and northeastern Argentina.
Habitat Types
It inhabits semi-open to open landscapes, including edges of mature forest, marshes, scrublands, parks, and gardens.
Elevation Range
It is generally found from near sea level up to 1,000 m (3,300 ft) in elevation, though there are occasional records from higher elevations, including one at 2,100 m (6,900 ft).