About Eupherusa cyanophrys J.S.Rowley & Orr, 1964
Taxonomy and Naming
The Oaxaca hummingbird, scientifically known as Eupherusa cyanophrys J.S.Rowley & Orr, 1964, measures 10 to 11 cm (3.9 to 4.3 in) in length and weighs 4.1 to 5.4 g (0.14 to 0.19 oz).
Bill Characteristics
Both males and females have a straight black bill.
Male Head and Upperparts
Males have a violet-blue forehead, a turquoise crown, and emerald green upperparts. Their rufous secondaries form a visible patch when the wing is folded.
Male Tail Feathers
The central pair of their tail feathers is green, while the remaining four pairs are whitish.
Male Underparts
Their underparts are glittering green, with white undertail coverts.
Female Upperparts and Wings
Females have green upperparts and a wing patch similar to that of males.
Female Tail Feathers
The central tail feathers of females are green, and the other tail feathers are white with some dusky green markings.
Female Underparts
Female underparts are pale gray.
Species Distribution
This hummingbird species is found exclusively on the Pacific slope of the Sierra Madre del Sur, also known as Sierra de Miahuatlán, in southern Oaxaca.
Habitat Types
It lives in both the edges and interior of humid montane forest, semi-deciduous forest, and pine-oak forest.
Elevation Range
Its elevation range spans from 700 to 2,600 m (2,300 to 8,500 ft), and it is most common at elevations below 1,800 m (5,900 ft).
