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Jerdon's Courser Picture

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The Jerdon's Courser (Rhinoptilus bitorquatus) is a nocturnal bird belonging to the pratincole and courser family Glareolidae endemic to India. The bird was discovered by the surgeon-naturalist Thomas C. Jerdon in 1848 but not seen again until 1986 when Bharat Bhushan, an ornithologist at the Bombay Natural History Society rediscovered the species that had been feared extinct. This courser is a restricted-range endemic found locally in India in the Eastern Ghats of Andhra Pradesh. It is currently known only from the Sri Lankamalleshwara Sanctuary, where it inhabits sparse scrub forest with patches of bare ground.


It is an unmistakable compact courser, with two brown breast-bands. It has a yellow base to the black bill, a blackish crown, broad buff supercilium, and orange-chestnut throat patch. A narrow white crown stripe runs on top of the head. In flight it shows a mostly black tail and a prominent white wingbar. It is crepuscular and vocal at dawn and dusk with in a series of staccato Twick-too...Twick-too... Twick-too or yak-wak.. yak-wak calls. The notes are repeated at the rate of about 1 per second and uttered 2 to 16 times.

Jerdon described the Telugu name of the species as Adavi wuta-titti meaning "Jungle empty-purse". This name may however have been in error since Salim Ali and Hugh Whistler found villagers mystified by the name when they searched for the species near Borgampad and Nelipaka during the Hyderabad state survey of . Recent researchers have noted the local name as Kalivi kodi.

Distribution and habitat

The species was known from specimens collected at a few locations in eastern peninsular India and the currently known population is extremely restricted in range. Studies in this region using sand strips to detect footprints suggest that their preferred habitat has tall bushes at a density of 300 to 700 per hectare.


This bird was known only from a few historical records and was thought to be extinct until its rediscovery in 1986. It remains critically endangered due to loss of habitat. It is nocturnal in habit and presumed to be insectivorous. Being a rare bird, nothing is known yet about its behaviour and nesting habits.

Population estimates for the bird range from between 25 and 200. Recent studies have made use of techniques such as camera trapping and carefully placed strips of fine sand to record footprints from which estimates of population density are made. The known world population of the species is restricted to a very small region and attempts have been made to find new areas by distributing pictures and small electronic call players to people in neighbouring regions that share similar habitats.

In 1988 the Indian Postal Service released a stamp to commemorate the rediscovery.


The construction of the Somasilla Dam led to the residents of 57 villages being relocated into the region where the Courser was rediscovered. These areas of Lankamalai, Palgonda and Seshachalam were previously not well populated. With the rising population, there was increased livestock pressures and firewood extraction. In addition, extensive quarrying threatens the habitat. The scrub habitat preferred by the bird has declined due to increased agricultural activity. In December 2005, the only known location for the species was threatened by the Telugu Ganga project, a scheme to supply water to the city of Chennai. Legal action led to the diversion of the canal. The area has however continued to be threatened by illegal construction work and activity related to a project proposed to link the rivers of India. The construction of the canal could also lead to increased agricultural activity and habitat changes.

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