Introduction
The Green Hermit (Phaethornis guy) is a medium-sized hummingbird of humid forests in Central and northern South America. It belongs to the hermit hummingbird group and is recognised by its long, decurved bill, green upperparts, contrasting facial stripes and distinctive white-tipped tail feathers.
Physical Description
The Green Hermit measures about 13.5 to 15 centimetres in length and weighs approximately 6 grams. Adults have mainly green upperparts, a dark mask through the eye, buff-coloured stripes above and below the eye, and a long, reddish-based bill that curves downwards. The underparts are generally greyish, with green glossing on the sides.
The tapered tail has elongated central feathers with pale or white tips. These feathers are particularly noticeable during display. Males are usually darker and greener than females, especially on the head and throat. Females tend to have sootier grey underparts, more prominent pale facial markings, a slightly longer bill and a longer-looking tail.
Young males initially resemble females and gradually acquire the darker adult head plumage. This change may take several years, so immature birds can be mistaken for adult females.
Range and Habitat
The Green Hermit is a resident species distributed from Costa Rica and Panama through Colombia and eastern Ecuador to eastern Peru. It also occurs in Venezuela and on Trinidad. Its range is not continuous, and local forms show geographic variation in size, colour and the degree of difference between the sexes.
It favours humid primary forest, wet premontane forest and dense forest undergrowth, particularly in hilly areas and along streams. It may also occur at forest edges, shaded plantations and small clearings where dense vegetation and flowering plants remain. Most records are from roughly 500 to 2,000 metres above sea level, although the species can occur locally at lower elevations and higher in suitable mountain forests.
The Green Hermit is not dependent on heliconia alone. It visits a variety of tubular flowers and is an important pollinator because it carries pollen between widely separated plants while following regular feeding routes through the forest.
Where to See This Species
Soberanía National Park, Panamá Province, Panama
Soberanía National Park has a documented record of the Green Hermit and offers accessible humid forest, streamside vegetation and dense undergrowth along its trails. The species is most likely to be located by watching shaded forest edges, flowering plants and quiet areas near water. It is a resident bird, so it may be encountered throughout the year, although sightings are not guaranteed.
Nearby accommodation: Panama City is the main practical base, with hotels, guest houses and self-catering accommodation, while smaller accommodation options are available in communities near the park.
Catarata del Toro, Alajuela Province, Costa Rica
The grounds and surrounding forest at Catarata del Toro have documented Green Hermit sightings. The combination of wet foothill forest, flowering plants, streamside vegetation and sheltered garden habitat makes the site a realistic place to search for this species. Look carefully in shaded vegetation rather than only around open hummingbird feeding stations.
Nearby accommodation: Bajos del Toro is the nearest practical settlement, with rural lodges, guest houses and cabins in the surrounding valley.
Monteverde Cloud Forest Reserve, Puntarenas Province, Costa Rica
The Green Hermit has been recorded in the Monteverde area, including cloud-forest habitats and nearby flowering sites. Dense, humid forest, abundant epiphytes and montane flowering plants provide suitable conditions, although the bird can remain difficult to see in dark undergrowth. Early morning visits and patient observation near flowering plants offer the best chances.
Nearby accommodation: Monteverde and Santa Elena provide the main accommodation base, including hotels, lodges, guest houses, cabins and self-catering options.
Behaviour and Diet
The Green Hermit is active during the day and usually forages in shaded forest undergrowth. Like other hermit hummingbirds, it often follows a regular trap-line, visiting a sequence of flowering plants rather than defending a single feeding patch. It may travel between forest patches and flowering sites, and research indicates that forest corridors can be important for its movement through fragmented landscapes.
Nectar forms the main part of its diet. The bird uses its long bill and extensible, fringed tongue to reach nectar in tubular flowers, including heliconias and other forest plants. It also captures small insects and spiders, especially when additional protein is required for growth or breeding.
Males gather at communal display areas known as leks. They sing repeatedly from low perches and perform short aerial displays when females approach. The breeding season can be extended, with peak activity often corresponding to periods when important nectar plants are flowering.
The female builds a compact nest from plant fibres, fern material and spider silk. The nest is usually attached beneath the tip or underside of a large leaf, often above or close to running water. A clutch normally contains one white egg. Incubation lasts about 17 to 18 days, and the young leave the nest approximately 21 to 23 days after hatching.
Identification Tips
- Look for a relatively large hermit hummingbird, about 14 to 15 centimetres long, with a long decurved bill.
- Note the mainly green upperparts, dark eye mask and buff facial stripes.
- The lower mandible is reddish, while the bill tip is darker.
- The tapered tail has conspicuous pale or white tips, including on the elongated central feathers.
- The species is usually encountered in shaded forest, streamside vegetation and dense undergrowth rather than in open sunny gardens.
- Females and immature males are duller and greyer below than adult males, and may show stronger pale facial striping.
- In parts of its range, compare it carefully with the Long-billed Hermit and other large Phaethornis species. The Green Hermit’s combination of green upperparts, greyish underparts, facial stripes, reddish lower mandible and white-tipped tail is useful for separation.
Conservation Status
The Green Hermit is currently assessed as Least Concern. It remains broadly distributed, but forest clearance, degradation and fragmentation can reduce the quality of its habitat and disrupt movement between flowering sites. Research on the species has shown that disturbed agricultural landscapes can influence its travel routes, even though individuals may cross some modified areas.
Protection of humid forest, retention of streamside vegetation and maintenance of forest corridors are important conservation measures. Restoring native flowering plants and limiting further fragmentation can also help preserve feeding routes and pollination services.
Frequently Asked Questions
Where is the Green Hermit found?
The species occurs from Costa Rica and Panama through Colombia, eastern Ecuador and eastern Peru, with additional populations in Venezuela and Trinidad.
Is the Green Hermit migratory?
The Green Hermit is generally considered resident rather than a long-distance migrant. Individuals may move locally or seasonally between elevations and forest patches in response to food availability.
What does the Green Hermit eat?
It feeds mainly on nectar from tubular flowers and supplements this diet with small insects and spiders.
How can the Green Hermit be identified?
Look for a large hermit hummingbird with green upperparts, a dark facial mask, buff stripes, a long curved bill with a reddish lower mandible and pale-tipped tail feathers.
Does the Green Hermit build its own nest?
The female builds the nest, usually using plant fibres, fern material and spider silk. It is commonly attached beneath a broad leaf near or above water.
What is the conservation status of the Green Hermit?
The Green Hermit is listed as Least Concern. Habitat loss and fragmentation remain important local threats, particularly where humid forest and connecting corridors are removed.
References
- BirdLife International
- IOC World Bird List
- Ibis
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