Red-billed Duck
Anas erythrorhyncha
This small duck has a solidly chocolate-brown ‘skull cap’, white cheeks, and a distinctive pink-red bill with a dark saddle. In flight, the buff flight feathers with a black stripe are distinctive on otherwise all-brown wings. It prefers foraging on open fresh water, with seeds and plant matter forming the majority of its diet. The similar Blue-billed Teal differs from Red-billed Duck by being smaller and having a silvery-blue bill and dark smudges on the cheeks. Cape Teal and Bernier’s Teal (the latter endemic to Madagascar) both lack the strongly contrasting face pattern of Red-billed Duck.
Identification
The red-billed teal is 43–48 centimetres (17–19 in) long and has a blackish cap and nape, contrasting pale face, and bright red bill. The body plumage is a dull dark brown scalloped with white. Flight reveals that the secondary flight feathers are buff with a black stripe across them. The sexes are similar, but juveniles are duller than adults.<p>This is a quiet species, but the displaying male has a whzzt call, whereas the female has a soft mallard-like quack.<p>The red-billed teal is a bird of freshwater habitats in fairly open country and is an omnivore. It feeds by dabbling for plant food, or foraging on land mainly in the evening or at night. It nests on the ground in dense vegetation near water.<p>This is one of the species to which the Agreement on the Conservation of African-Eurasian Migratory Waterbirds (AEWA) applies.
Taxonomy
The red-billed teal was formally described in 1789 by the German naturalist Johann Friedrich Gmelin in his revised and expanded edition of Carl Linnaeus's Systema Naturae. He placed it with all the other ducks, geese and swans in the genus Anas and coined the binomial name Anas erythrorhyncha. Gmelin based his description on the "Crimson-billed duck" that had been described in 1785 by the English ornithologist John Latham in his A General Synopsis of Birds. Latham specied the type locality as the Cape of Good Hope. The genus name Anas is the Latin word for a duck. The specific epithet erythrorhyncha combines the Ancient Greek eruthros meaning "red" with rhunkhos meaning "bill". The species is monotypic: no subspecies are recognised.
- Scientific name
- Anas erythrorhyncha
- Authority
- Gmelin, JF, 1789
- Order
- Anseriformes
- Family
- Anatidae
- Genus
- Anas
Range and habitat
- Migration
- Resident species
Conservation
- Population trend
- declining
Photos
Distribution
Bird Calls
Other Birds
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Edolisoma obiense
Small cuckooshrike with a restricted range, found only on Obi and Bisa Islands, in the central Moluccas. Males are mainly gray with black on the face and wing. Distinctive female is mostly rufous-brown, with unmarked buffy underparts, and a gray cap. Found in forest and forest edge habitats. Vocalizations poorly known, but apparently include a long rattling note. The male is similar to male Pale Cicadabird, but is significantly darker, with a mostly black face. The rufous-brown female is completely different from the pale gray female Pale Cicadabird.
Himalayan Rubythroat
Calliope pectoralis
Shy inhabitant of thickets and dense grassy areas from subalpine scrub to above treeline. Male is gunmetal gray with a white brow, bright orange throat, and a black patch extending from the face down to the breast. Very similar to the closely related Chinese Rubythroat, which has a white moustachial stripe. Chinese Rubythroat female averages browner than female Himalayan, but is best identified by range; Chinese breeds in central and south-central China, while Himalayan breeds along the Himalayas, in Xinjiang, and in Central Asia. Female Himalayan has a weaker eyebrow than female Siberian Rubythroat, and is darker overall.
Yellow-throated Bulbul
Pycnonotus xantholaemus
Plain, pale brownish bulbul. Endemic to very specialized habitat in South India. Only found in hills with dry rocky scrub and boulders, co-occurring locally with the more widespread White-browed Bulbul throughout its range. Although both species have a yellow vent and can sound similar, Yellow-throated can be distinguished by its yellow head that contrasts with its whitish underparts. Usually occurring in pairs, it tends to rove along regular circuits, often perching on exposed rocks and boulders. Voice like White-browed’s, but more melodious and higher in pitch.
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