Long-billed Bernieria
Bernieria madagascariensis
Large, long-tailed, long-billed, dull-olive tetraka. Madagascar endemic that is found in rainforest, dry deciduous forest, and locally in spiny forest. Prefers the mid-story, and often joins mixed flocks with tetrakas and other birds. Song is a fairly musical phrase of up-and-down whistles. Call is a rough “trek-trak”. Separated from tetrakas by its larger size and its longer bill and tail. Doesn’t have the pale eye-ring of Spectacled Tetraka or the gray head of Gray-crowned Tetraka. Much more olive-colored than brush-warblers.
Identification
The long-billed bernieria is a slender species with an overall length of 17.5–20 cm (6.9–7.9 in). The top of the head, the upperparts and the tail are brownish green, the underparts are mainly yellow. The bill is long and thin; the upper mandible has a small terminal hook.
Taxonomy
In 1760 the French zoologist Mathurin Jacques Brisson included a description and an illustration of the long-billed bernieria in the third volume of his Ornithologie based on a specimen collected on the island of Madagascar. He used the French name Le grand figuier de Madagascar and the Latin name Ficedula Madagascariensis Major. Although Brisson coined Latin names, these do not conform to the binomial system and are not recognised by the International Commission on Zoological Nomenclature. When in 1789 the German naturalist Johann Friedrich Gmelin revised and expanded Carl Linnaeus's Systema Naturae he included the long-billed bernieria based on Brisson's description. He placed it with the flycatchers in the genus Muscicapa and coined the binomial name Muscicapa madagascariensis. The long-billed bernieria is now the only species placed in the genus Bernieria that was erected in 1855 by the French zoologist Jacques Pucheran. The genus name honours the French surgeon-naturalist Chevalier J. A. Bernier who resided in Madagascar from 1831 to 1834.<p>Two subspecies are recognised.<p>It was initially considered a greenbul, and later with the Old World warblers. Recent research indicates it is part of the endemic Malagasy radiation Bernieridae (Malagasy warblers). Its presumed relatives are not as closely related as was once believed and have been restored to the old genus Xanthomixis.
- Scientific name
- Bernieria madagascariensis
- Authority
- (Gmelin, JF, 1789)
- Order
- Passeriformes
- Family
- Bernieridae
- Genus
- Bernieria
Range and habitat
- Migration
- Resident species
Conservation
- Population trend
- declining
Photos
Distribution
Bird Calls
Other Birds
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A small, speckle-backed cormorant that is common and widespread in fresh water. The adult is blackish with a short black crest above the bill. Immatures are brownish with paler underparts. Although they share the same habitat with Great Cormorant, Long-tailed Cormorants can be separated by their much smaller size, red eyes, and proportionately longer tails. Generally, Long-tailed Cormorant avoids the marine habitats of the similar-looking Crowned Cormorant, which has a larger crest, an unspeckled back, and a shorter tail.
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Huge brown pelican of the Humboldt Current; locally common along the coast and over inshore waters. Often seen perched on rocks, jetties, and scavenging at fishing harbors. Feeds by plunge diving from low heights, often with masses of other feeding birds such as cormorants, boobies, and terns. Distinctive in south of range, but in north occurs with appreciably smaller Brown Pelican, which lacks the big whitish upperwing panel of Peruvian, has a less colorful bill without a yellow base (on adults), and lacks the turquoise-blue pouch seen on Peruvian Pelican.
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