Eupherusa cyanophrys
The Oaxaca Hummingbird, *Eupherusa cyanophrys*, is a dazzling and critically endangered species known for its exceptionally restricted range in the cloud forests of southern Mexico. Measuring approximately 10-11 cm (4 inches) in length and weighing a mere 4-5 grams, the male is instantly recognizable by his brilliant iridescent blue crown, shimmering emerald-green throat and upperparts, and a distinctive white patch at the base of the primaries, often revealing rufous inner primaries and seco...
Exclusively found in humid to semi-humid pine-oak and cloud forests, forest edges, and clearings within a narrow elevation band of 1,200 to 2,600 meters (4,000 to 8,500 feet).
Primarily nectivorous, feeding on nectar from a variety of flowering plants and bromeliads, supplemented by small insects and spiders gleaned from foliage or caught in flight.
Active during daylight hours, the Oaxaca Hummingbird is a solitary species, spending its days foraging for nectar and insects. Males are intensely territorial, aggressively defending prime feeding patches and frequently chasing away intruders with rapid, acrobatic flights. Courtship involves aeri...
The Oaxaca Hummingbird is a strict endemic to a highly restricted region within the Sierra Madre del Sur of south-central Oaxaca, Mexico. Its entire known range is confined to a relatively small area, primarily found in the vicinity of Pluma Hidalgo, Miahuatlán, and San Juan Ozolotepec. It is a r...
Endangered
- The scientific name 'cyanophrys' translates from Greek to 'blue brow,' directly referencing the male's brilliant iridescent blue crown. - It is one of the most geographically restricted bird species in Mexico, found only in a small part of the Sierra Madre del Sur in Oaxaca. - The rufous color ...