Glaucis dohrnii
The Hook-billed Hermit (Glaucis dohrnii) is a critically endangered hummingbird species renowned for its distinctive, strongly decurved and hooked bill, a unique adaptation among hermits. This relatively small bird measures approximately 12 cm in length and weighs between 5-7 grams, sporting a greenish-bronze back, a contrasting rufous rump, and a dark tail tipped with white. Key field marks include a prominent white post-ocular streak above a dark malar stripe, with the pale underparts compl...
This hermit is found in the humid understory of lowland and montane Atlantic Forest fragments, typically favoring dense vegetation near watercourses or marshy areas, generally at elevations below 1000 meters.
The Hook-billed Hermit primarily feeds on nectar, particularly from Heliconia and Passiflora species, using its specialized bill to probe deep into flowers. It also supplements its diet with small arthropods, gleaned from foliage or captured in flight.
The Hook-billed Hermit exhibits a traplining foraging strategy, consistently visiting a circuit of scattered flowers throughout its day, making it an important pollinator for various forest plants. It is primarily diurnal, actively feeding from dawn until dusk, with roosting typically occurring s...
The Hook-billed Hermit's range is extremely restricted and fragmented, endemic to a few remaining pockets of the Atlantic Forest in southeastern Brazil. Its primary strongholds are found in the states of Espírito Santo, southern Bahia, and eastern Minas Gerais. Historical records suggest a slight...
Critically Endangered
- The Hook-billed Hermit is one of the most critically endangered bird species in the world, facing an extremely high risk of extinction in the wild. - Its common name directly refers to its distinctive bill, which is strongly decurved and features a noticeable hook at the tip, unique among hummi...