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Heart-spotted Woodpecker
07 48 213 Hemicircus canente m
Male
Information
Range Asia with populations in the forests of southwestern and central India which are slightly separated from their ranges in the Himalayas and Southeast Asia.
Scientific Classification
Kingdom Animalia
Phylum Chordata
Class Aves
Order Piciformes
Family Picidae
Genus Hemicircus
Species Hemicircus canente
Conservation Status
LCSpecies
Least Concern

The Heart-spotted woodpecker (Hemicircus canente), is a species of woodpecker in the Picidae family. They have a contrasting black and white pattern, a distinctively stubby body with a large wedge-shaped head making them easy to identify while their frequent calling make them easy to detect as they forage for invertebrates under the bark of the slender outer branches of trees. They move about in pairs or small groups and are often found in mixed-species foraging flocks. They have a wide distribution across Asia with populations in the forests of southwestern and central India which are slightly separated from their ranges in the Himalayas and Southeast Asia.

Description

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Female

A small, uniquely shaped, black and buff woodpecker with a large crest making the head look large for the short body and tail. Both males and females are predominantly black with heart-shaped black spots on white shoulders with broad white scapular patches and barring of flight feathers. The female has the forehead and crown buffy white while it is black on males. The throat is whitish and the underparts are dark olive grey. A tuft of feathers on the back are specialized and are lipid rich which causes the feathers to stick together in preserved specimens. These special feathers or "fat quills" sometimes make the rump feathers appear buff and may be a form of "cosmetic colouration" and the secretion is said to have a pleasant smell but the functional significance is unknown.

Distribution and Habitat

They are found in the Himalayan forests of India, Bangladesh and extend into Myanmar, Thailand, Laos, Cambodia and Vietnam. Within India, they are also found in the Western Ghats and the forests of central India. A subspecies cordatus based on the description by Thomas C. Jerdon from a specimen from the Western Ghats is not considered distinct and the populations differ slightly in plumage color and vary clinally in size (the northern birds being larger than those closer to the equator).

Behavior and Ecology

These woodpeckers forage in pairs, sometimes joining mixed-species foraging flocks. They fly from tree to tree in a sharply bounding flight giving a head-heavy appearance. They forage on thin branches and call often. They feed mainly on insects under bark but have been known to peck the pods of Cassia fistula to obtain insect larvae. The calls include a sharp twee-twee-twee (duet call) sometimes leading to a trill of several notes, a nasal ki-yeew and repeated su-sie calls. They drum infrequently during the breeding season, mainly during winter and before the Monsoons. The nest is bored in a dead branch with a narrow 3 to 4 cm diameter opening and the tunnel going down obliquely about 20 cm before widening into a chamber. Nests may sometimes be built in fence posts. The usual clutch is 2 or 3 eggs, which are unmarked white. Ticks of the species Haemaphysalis spinigera have been noted on these birds.

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