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Blue Whistling Thrush, कल्चौँडे, Myophonus caeruleus

The Blue Whistling Thrush (Myophonus caeruleus) is a whistling thrush present in the mountains of Central Asia, China and Southeast Asia. It is known for its loud human-like whistling song at dawn and dusk. The widely distributed populations show variations in size and plumage with several of them considered as subspecies. Like others in the genus, they feed on the ground, often along streams and in damp places foraging for snails, crabs, fruits and insects.

Habitat and distribution It is found along the Tian Shan and Himalayas, in temperate forests and subtropical or tropical moist montane forests. The species ranges across Afghanistan, Bangladesh, Bhutan, Cambodia, India, Indonesia, Kazakhstan, Laos, Malaysia, Myanmar, Nepal, Tajikistan, Thailand, Tibet, Turkmenistan, and Vietnam. They make altitudinal movements in the Himalayas, descending in winter.

Blue Whistling Thrush, कल्चौँडे, Myophonus caeruleus

Ornithological Portal
Range map from - Ornithological Portal is one of those MUST visit pages if you're in to bird watching. You can find just about everything there

This whistling thrush is dark violet blue with shiny spangling on the tips of the body feathers other than on the lores, abdomen and under the tail. The wing coverts are a slightly different shade of blue and the median coverts have white spots at their tips. The bill is yellow and stands in contrast. The inner webs of the flight and tail feathers is black. The sexes are similar in plumage.

It measures 31–35 cm in length. Weight across the subspecies can range from 136 to 231 g. For comparison, the blue whistling thrush commonly weighs twice as much as an American Robin . Among standard measurements, the wing chord can measure 15.5–20 cm long, the tarsus is 4.5–5.5 cm and the bill is 2.9–4.6 cm.

Size varies across the range with larger thrushes found to the north of the species range and slightly smaller ones to the south, corresponding with Bergmann's rule. In northern China, males and females average 188 g and 171 g, whereas in India they average 167.5 g and 158.5 g.

Several populations are given subspecies status. The nominate form with a black bill is found in central and eastern China. The population in Afghanistan, turkestanicus, is often included in the widespread temminckii which has a smaller bill width at the base and is found along the Himalayas east to northern Burma. The population eugenei, which lacks white spots on the median coverts, is found south into Thailand.

Cambodia and the Malay peninsula have crassirostris, while dichrorhynchus with smaller spangles occurs further south and in Sumatra. The Javan population, flavirostris, has the thickest bill. The subspecies status of several populations has been questioned.

Length: 31 35 cm
Wingspan: 15.5 – 20 cm
Longevity: 136 - 231 g
Distinctive Feature

Similar Species

From opus at
Female / Male / Juvenile

From opus at


I spotted 2 different Blue Whistling Thrush on the same day in Doi Inthanon National Park. So I have tried to identify the bird consulting my book “A Field Guide to the Birds of Thailand and South East Asia” by Craig Robson.

1) Myophonus caeruleus eugenei: Yellow bill and dark purplish-blue with blue spangling

2) Myophonus caeruleus caeruleus: Black bill

Not sure I'm right so I would love it if someone could correct me.

Listen to the Blue Whistling Thrush

Behaviour and ecology
The blue whistling thrush is usually found singly or in pairs. They hop on rocks and move about in quick spurts. They turn over leaves and small stones, cocking their head and checking for movements of prey. When alarmed they spread and droop their tail. They are active well after dusk and during the breeding season (April to August) they tend to sing during the darkness of dawn and dusk when few other birds are calling. The call precedes sunrise the most during November.

The alarm call is a shrill kree. The nest is a cup of moss and roots placed in a ledge or hollow beside a stream. The usual clutch consists of 3 to 4 eggs, the pair sometimes raising a second brood. They feed on fruits, earthworms, insects, crabs and snails. Snails and crabs are typically battered on a rock before feeding. In captivity, they have been known to kill and eat mice and in the wild have been recorded preying on small birds.

Conservation status
Blue Whistling Thrush, Myophonus caeruleus
Least Concern (IUCN 3.1)
IUCN Red List of Threatened Species. Version 2013.2.
International Union for Conservation of Nature. Retrieved 26 November 2013.

From Wikipedia, the free encyclopedia
From Wikipedia, the free encyclopedia

Sighted: (Date of first photo that I could use) 8 April 2018
Location: Shivapuri Nagarjun National Park

Blue Whistling Thrush, कल्चौँडे, Myophonus caeruleus
Blue Whistling Thrush, कल्चौँडे, Myophonus caeruleus

PLEASE! If I have made any mistakes identifying any bird, PLEASE let me know on my guestbook


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