Nuthatch of Vietnam – Sittidae
With 46 species Nuthatches of Vietnam, occurring over the border country. Nuthatches a family could be said the rarest family in Vietnam but when found the beauty of them never makes you disappointed especially Beautiful Nuthatch the bird has an appearance like one of the wonders in the world.
You may know: the Nuthatch family usually lives in Highland near bordering Vietnam so it has a small chance to see them even you wait for a month
The overview of Nuthatches families
The nuthatches (/nʌt.hætʃ/) constitute a genus, Sitta, of small passerine birds belonging to the family Sittidae. Characterised by large heads, short tails, and powerful bills and feet, nuthatches advertise their territory using loud, simple songs. Most species exhibit grey or bluish upperparts and a black eye stripe.
Most Nuthatches breed in the temperate or montane woodlands of the Northern Hemisphere, although two species have adapted to rocky habitats in the warmer and drier regions of Eurasia. However, the greatest diversity is in Southern Asia, and similarities between the species have made it difficult to identify distinct species. All members of this genus nest in holes or crevices. Most species are non-migratory and live in their habitat year-round, although the North American red-breasted nuthatch migrates to warmer regions during the winter. A few Nuthatchs species have restricted ranges and face threats from deforestation.
Nuthatches are omnivorous, eating mostly insects, nuts, and seeds. They forage for insects hidden in or under bark by climbing along tree trunks and branches, sometimes upside-down. They forage within their territories when breeding, but they may join mixed feeding flocks at other times.
Nuthatches are compact birds with short legs, compressed wings, and square 12-feathered tails. They have long, sturdy, pointed bills and strong toes with long claws. Nuthatches have blue-grey backs (violet-blue in some Asian species, which also have red or yellow bills) and white underparts, which are variably tinted with buff, orange, rufous, or lilac. Although head markings vary between species, a long black eye stripe, with contrasting white supercilium, dark forehead, and blackish cap is common. The sexes look similar but may differ in underpart coloration, especially on the rear flanks and under the tail. Juveniles and first-year birds can be almost indistinguishable from adults.
The sizes of Nuthatches vary, from the large giant nuthatch, at 195 mm (7.7 in) and 36–47 g (1.3–1.7 oz), to the small Brown-headed Nuthatch and the Pygmy Nuthatch, both around 100 mm (3.9 in) in length and about 10 g (0.35 oz).
Nuthatches are very vocal, using an assortment of whistles, trills, and calls. Their breeding songs tend to be simple and often identical to their contact calls but longer in duration. The Red-breasted Nuthatch, which coexists with the Black-capped Chickadee throughout much of its range, is able to understand the latter species’ calls. The chickadee has subtle call variations that communicate information about the size and risk of potential predators. Many birds recognize the simple alarm calls produced by other species, but the Red-breasted Nuthatch is able to interpret the chickadees’ detailed variations and respond appropriately.
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Nuthaches of Vietnam species note
Beautiful Nuthatch Sitta formosa
Status: Scarce resident – Vulnerable
Best time to watch & Photo: Feb-Apr
Tour cover: Northern Highlands
Hotspot: Sa Pa – Fansipan
Yellow-billed Nuthatch Sitta solangiae
Status: Scarce resident – Near Threatened
Best time to watch & Photo: Feb-Apr
Tours: Highlands
Hotspot: Dalat, Kon Tum, Sa Pa
Velvet-fronted Nuthatch Sitta frontalis
Status: Uncommon resident
Best time to watch & Photo: Feb-Apr
Tours: Exclude Mekong Delta
Hotspot: Dalat, Cat Tien, Tan Phu
White-tailed Nuthatch Sitta himalayensis
Status: Scarce resident
Best time to watch & Photo: Feb-Apr
Tours: Himalayan
Hotspot: Sa Pa – Fansipan
Chestnut-vented Nuthatch Sitta nagaensis
Status: Rare resident
Best time to watch & Photo: Feb-Apr
Tours: Highlands
Hotspot: Sa Pa, Dalat
Chestnut-bellied Nuthatch Sitta castanea
Status: Rare resident
Best time to watch & Photo: Feb-Apr
Tours: Highlands
Hotspot: Sa Pa, Dalat
Burmese Nuthatch Sitta neglecta
Status: Rare resident
Best time to watch & Photo: Feb-Apr
Tours:
Hotspot: Cat Tien, Nui Dinh, Ma Da, Dak Lak
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