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White-eared Sibia

A species of Sibias
Scientific name : Heterophasia auricularis Genus : Sibias

White-eared Sibia, A species of Sibias
Botanical name: Heterophasia auricularis
Genus: Sibias
White-eared Sibia (Heterophasia auricularis) Photo By Francesco Veronesi , used under CC-BY-SA-2.0 /Cropped and compressed from original

Description

The white-eared sibia is an elegant, long-tailed babbler, 22 to 24 cm (8.7–9.4 in) long and weighing an average of 40–50 g (1.4–1.8 oz). The head is black with a conspicuous white stripe through the eye, and the stripe ends in long white filamentous plumes. The wings and tail are deep blue-black, with a noticeable white wingbar. The upper back and breast is dark grey, and the belly and rump are deep rufous chestnut. The bill is black and the legs brown-flesh coloured. Both the sexes are alike, and the plumage of juvenile birds hasn't been described.
Size
24 cm
Colors
Brown
Black
Gray
White
Feeding Habits
White-eared Sibia consumes insects, nectar, acorns, berries, fruit, seeds, and occasionally eggs/nestlings. With a specialized brushy tongue for nectar, they forage from forest canopy to floor, often at higher levels, solo, in pairs, or small flocks.
Habitat
White-eared Sibia predominantly thrives in evergreen forests, including those with a mix of broadleaf and coniferous trees, with an affinity for oak forests. The species can also be found in forest edges and clearings, as well as spruce, fir, and cedar forests. It has a notable presence in broadleaf evergreen and mixed forests across broad geographical regions at elevations ranging from 1200 to 3000 meters during the breeding season, and descends to deciduous forests at lower altitudes of 200 to 700 meters to weather the winter months.
Dite type
Omnivorous

General Info

Behavior

The white-eared sibia is an active feeder, taking a wide range of prey and food items. It feeds on insects taken from flowers, and will also take nectar, acorns, berries, fruit and seeds. The white-eared sibia has a brushy tongue adapted to taking nectar, but is not wholly dependent on that food source. It will join flocks of Taiwan yuhina in flowering trees to take advantage of it when the chance arises. They will also take eggs and nestlings, such as those of the Taiwan yuhina. It feeds from the canopy of trees to the forest floor, but more commonly feeds higher up, either as individuals, in pairs or in small flocks. Very little is known about its breeding behaviour; while the species is not shy all that is known is that it nests in the canopy of tall trees.

Distribution Area

It is endemic to the island of Taiwan, where it occupies a range of forest and woodland habitats. The species is a partial altitudinal migrant, breeding at 1,200–3,000 m (3,900–9,800 ft) above sea-level during the summer (or 2,780 m (9,120 ft) in the north of Taiwan), but with some individuals descending down to 700 m (2,300 ft) in winter, sometimes as low as 200 m (660 ft) in a particularly harsh spell. In the summer it inhabits evergreen forests, including mixed broadleaf coniferous forests, but will use deciduous forests in the winter.

Species Status

Not globally threatened.
White-eared Sibia (Heterophasia auricularis) White-eared Sibia (Heterophasia auricularis) Photo By Francesco Veronesi , used under CC-BY-SA-2.0 /Cropped and compressed from original

Scientific Classification

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