Black Nunbird
Monasa atra
Chunky, medium-sized bird of lowland rainforest. Combination of mostly black plumage and coral-red bill is unique. Perches lethargically, twitching tail before flying out to grab large insects and small vertebrates from foliage. Frequently observed along forest edges; usually in the middle story or higher, but occasionally near the ground; sometimes follows army ants. Highly social; usually seen in groups of 2-5 birds. Loud, distinctive calls given by groups are heard more often than the birds are seen.
Identification
The black nunbird is 25 to 29 cm (9.8 to 11 in) long and weighs 74 to 104 g (2.6 to 3.7 oz). The adult's upperparts are glossy blue-black and the underparts dark gray to light gray. The lesser coverts are white, showing as a wide white band on the closed wing. The bill is red, the eye red to brown, and the legs and feet slaty black. Immatures are sootier above and browner below than the adult.
Taxonomy
The black nunbird was described by the French polymath Georges-Louis Leclerc, Comte de Buffon in 1780 in his Histoire Naturelle des Oiseaux from a specimen collected in Cayenne, French Guiana. The bird was also illustrated in a hand-colored plate engraved by François-Nicolas Martinet in the Planches Enluminées D'Histoire Naturelle that was produced under the supervision of Edme-Louis Daubenton to accompany Buffon's text. Neither the plate caption nor Buffon's description included a scientific name but in 1783 the Dutch naturalist Pieter Boddaert coined the binomial name Calculus ater in his catalogue of the Planches Enluminées. The black nunbird is now placed in the genus Monasa that was introduced by the French ornithologist Louis Pierre Vieillot in 1816. The generic name is from the Ancient Greek monas meaning "solitary". The specific epithet atra is from the Latin ater meaning "black".<p>The black nunbird is monotypic. Some authors treat it, the black-fronted nunbird (M. nigrifrons) and the white-fronted nunbird (M. morphoeus) as a superspecies.
- Scientific name
- Monasa atra
- Authority
- (Boddaert, 1783)
- Order
- Galbuliformes
- Family
- Bucconidae
- Genus
- Monasa
Range and habitat
The black nunbird is found from southern and eastern Venezuela through the Guianas into Brazil, where it occurs north of the Amazon River and east of the Rio Negro. It possibly also occurs in extreme eastern Colombia, though that has not been confirmed by the South American Classification Committee of the American Ornithological Society (SACC). It inhabits humid terra firme, gallery, and várzea forest, usually at the edges, near water, and in somewhat open landscapes. It can be seen at all levels of the forest from the understory to the canopy. In elevation it ranges from sea level to 1,000 m (3,300 ft).
- Migration
- Resident species
Behavior
The black nunbird hunts by sallies from a perch, usually plucking prey from vegetation or limbs though sometimes taking it in flight. Its diet includes insects, spiders, and other invertebrates as well as small vertebrates such as lizards. It follows army ant swarms.<p>The black nunbird breeds between March and May in Venezuela and August to September in French Guiana. In the region of Manaus, Brazil, it apparently nests twice each year. The nest is placed in a hole in level ground.<p>The black nunbird's songs are a "[f]lute-like 'whoo-doo-doo' and descending 'hyoo-hoo-hoo-oo-oo-oo'". Calls include a "loud 'yawkl-diddl' or 'quee-didada'".
Conservation
- Population trend
- stable
Photos
Distribution
Bird Calls
Other Birds
Lesser Racket-tailed Drongo
Dicrurus remifer
An ebony shadow trailing obsidian tresses. Medium-sized drongo with two extravagantly long tail feathers tipped with plumes, the shape of which vary throughout its range. Glossy black overall with red eyes. Juvenile duller and lacks streamers. Can be confused with the larger Greater Racket-tailed Drongo, but Lesser is crestless and oddly flat-headed, with a more square-ended tail. Inhabits mid- to high-altitude tropical forests, where it forages primarily under closed canopies, not venturing out into the open as frequently as Greater Racket-tailed. Joins mixed flocks. Impressive vocal range, giving highly variable songs that include bouncy hoots, ringing whistles, and harsh nasal notes, among others; also mimics other species.
Chestnut-bellied Nuthatch
Sitta cinnamoventris
Often seen clambering up or headfirst down trees, this small active bird is usually found in the middle levels of the forest, though it will descend down toward the ground on occasion. Gray above and warmly-colored below throughout its range; eastern birds are paler below than western birds, the males of which have dark rusty bellies. Western birds also sport a bright contrasting white moustache. Lack of bright white patch on the tail distinguishes this species from White-tailed Nuthatch. A species of hill and submontane forests, where it favors lightly wooded areas of both broadleaf deciduous and pine forests. Often detected by its quick, echoing trill.
Red-legged Honeycreeper
Cyanerpes cyaneus
Small, warbler-like tanager of tropical lowlands. Favors forest edge, woodland, and semi-open areas with taller trees. Often occurs in small groups, sometimes larger flocks, usually in the canopy of flowering trees, where it probes for nectar with its long bill. Red legs are bright on male, dullest on young birds. Male is blue in breeding plumage, with a turquoise cap; female and non-breeding male are greenish overall with faint streaking on the chest. In flight, the underside of the wings flash bright sulphur-yellow.
Start Your Bird Watching Journey
Identify a bird outdoors and keep the field guide close for your next observation.