Pale-bellied Hermit
Phaethornis anthophilus
Large, long-tailed hermit found in northern Colombia and western Venezuela. Like many other hermits, the bill is long and decurved and the central tail feathers are elongated with white tips. Note the pale eyebrow that contrasts with its black mask. Also note whitish underparts and dull greenish upperparts without bright rufous tones. Fairly common in lower levels of dry forests, mangroves, and plantations. Most frequently seen visiting Heliconia flowers.
Identification
The pale-bellied hermit is about 13 cm (5.1 in) long. Males weigh 4.5 to 5.5 g (0.16 to 0.19 oz) and females 4 to 5 g (0.14 to 0.18 oz). This medium-sized hermit has dark green to olive green upperparts and light gray underparts. The face has a black "mask" with a buffy supercilium and a mostly white throat. The male's bill is almost straight and the female's is decurved. P. a. hyalinus has more bluish green upperparts and paler underparts than the nominate. Members of the suggested P. a. fuscicapillus have shorter wings and bills than the rest of the nominate.
Taxonomy
Though the scale-throated hermit is a member of the large genus Phaethornis it seems to have no close relatives, and at one time was placed in its own genus, Ametrornis. It has two subspecies, the nominate P. a. anthophilus and P. a. hyalinus. It has been suggested that a third subspecies, P. a. fuscicapillus, be split from anthophilus. A putative subspecies P. a. fuliginosus was based on a melanistic morph that as of 2021 had not been identified to species.
- Scientific name
- Phaethornis anthophilus
- Authority
- (Bourcier, 1843)
- Order
- Apodiformes
- Family
- Trochilidae
- Genus
- Phaethornis
Range and habitat
The nominate subspecies of pale-bellied hermit taken as a whole is found in central Panama; northern, central, and eastern Colombia; and western and northern Venezuela. The suggested P. a. fuscicapillus is the population in Colombia's Eastern Andes and possibly includes the Venezuelan population as well. P. a. hyalinus is found only on the Pearl Islands off the Pacific coast of Panama.<p>The pale-bellied hermit mostly inhabits semi-deciduous forest and also drier woodland, secondary forest, gallery forest, plantations, and brushy and thorny landscapes. In elevation it ranges from sea level to about 1,500 m (4,900 ft).
- Migration
- Resident species
Behavior
Observations of pale-bellied hermits in northeastern Venezuela hint at regular movements but more data are needed.<p>The pale-bellied hermit is a "trap-line" feeder like other hermit hummingbirds, visiting a circuit of a wide variety of flowering plants for nectar. It also consumes small arthropods.<p>The pale-bellied hermit's breeding seasons appear to vary across its range but have not been fully defined. It suspends a cone-shaped nest under a drooping leaf like many other species of its genus. Its clutch size is two eggs.<p>The pale-bellied hermit's song has not been well described. Its calls are "rather piercing, high-pitched notes".
Conservation
- Population trend
- declining
Photos
Distribution
Bird Calls
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