Black-billed Mountain-Toucan
Andigena nigrirostris
Distinctive toucan of montane forests in the Andes from Venezuela to extreme northwest Peru. Easy to identify with black cap, dark bill, white throat, powder blue belly, and mostly brownish upperparts. Occurs from 1,500-2,500m, typically below the elevational range of Gray-breasted Mountain-Toucan but occasionally some overlap. Uncommon; usually found singly or in pairs in the forest canopy, often around fruiting trees.
Identification
The three subspecies of black-billed mountain toucan have almost the same plumage. They have a black cap and nape and bronzy upperparts with a pale yellow rump. Their tail is dark slate with chestnut tips on the central two or three pairs of feathers. Their face and throat are white becoming pale blue on the breast; their thighs are chestnut and their undertail coverts are red. Bare skin surrounds their eye; it is pale blue before it and yellow or orange behind. Subspecies A. n. occidentalis' plumage differs from that of the other two only by having darker chestnut thighs.<p>Within each subspecies both sexes have the same bill pattern but the female's bill is shorter. The nominate subspecies has an entirely black bill. A. n. spilorhynchus has a mostly black bill with some dark red at the base and on the upper part of the maxilla. A. n. occidentalis has a bill like that of spilorhynchus but the red of the maxilla extends more than half way along the culmen.
Taxonomy
The black-billed mountain toucan was originally described in genus Pteroglossus. Three subspecies are recognized, the nominate A. n. nigrirostris (Waterhouse, 1839), A. n. occidentalis (Chapman, 1915), and A. n. spilorhynchus (Gould, 1858).<p>A. n. spilorhynchus was originally described as the species Andigena spilorhynchus.
- Scientific name
- Andigena nigrirostris
- Authority
- (Waterhouse, 1839)
- Order
- Piciformes
- Family
- Ramphastidae
- Genus
- Andigena
Range and habitat
The subspecies of black-billed mountain toucan are found thus:<p>The black-billed mountain toucan inhabits a variety of landscapes including cloudforest, subtropical to temperate montane forest, and more open areas such as croplands near forest and open sites with scattered trees. In elevation it mostly ranges between 1,700 and 2,700 m (5,600 and 8,900 ft) but occurs rarely down to 1,200 m (3,900 ft) and has been found as high as 3,245 m (10,600 ft).
- Migration
- Resident species
Behavior
As far as is known, the black-billed mountain toucan is a year-round resident throughout its range.<p>The black-billed mountain toucan mostly forages in the forest's canopy, in pairs or in small family groups. Its diet is known to include several kinds of fruit and some insects, but details are lacking.<p>The black-billed mountain toucan's breeding season is from August to November in Venezuela. It is from March to August in Colombia, and in Ecuador is thought to be the same or earlier. Essentially nothing else is known about its breeding biology.<p>The black-billed mountain toucan makes "nasal 'gwaaak' notes...variable, notes can be drawn out, or yelp-like". It also makes bill-rattling or clacking that may be combined with the vocalization.
Conservation
- Population trend
- declining
Photos
Distribution
Bird Calls
Other Birds
Banded Broadbill
Eurylaimus javanicus
Deep purplish-red broadbill with bold yellow patches on the wings and tail. Broad-based bill and irises are bright blue. Female is slightly duller than the male, and lacks a black line across the chest. Favors riparian and wet forests from the lowlands up into montane areas, and will visit edges, gardens, and parks. Forages in the canopy, often flying from a perch to do so. More vocal than Black-and-yellow Broadbill, giving long, drawn-out whistles and buzzing trills.
Chestnut-winged Babbler
Cyanoderma erythropterum
A small babbler of tropical lowland and foothill rainforest, including secondary growth. Reddish-brown upperparts with a pale gray face and chest, becoming whitish on the belly. Bare, blue skin around the eye, with vocalizing birds also showing blue skin on the neck. Typically encountered in pairs or small flocks, foraging in the midstory. Brown Fulvetta is somewhat similar but lacks the blue skin around the eye. Song is an ethereal, owl-like series of hooting trills, but also gives noisy rattling and chipping call notes.
Black-headed Cuckooshrike
Lalage melanoptera
Male has dark slaty-gray head, neck, and upper breast; rest of the body is pale gray, with white on the belly. Wings darker than mantle. Female lacks the black hood, and has a whitish supercilium, brownish-gray upperparts with lightly barred back and rump, and buff-white underparts with wide brown bars. Juvenile is similar to female, but upperparts barred white. Immature similar to female. Song is a series of clear, loud whistles: “pee-pe-pe-pe-pe-twe-twee.” Some notes can be omitted, or additional notes added.
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