Houbaropsis bengalensis
TAXONOMY
Otis bengalensis Gmelin, 1789, Bengal. Sometimes merged with
Eupodotis. Two subspecies.
OTHER COMMON NAMES
French: Outarde du Bengale; German: Barttrappe; Spanish:
Sisуn Bengali.
PHYSICAL CHARACTERISTICS
Male: 25 in (64 cm), 2.8–3.8 lb (1.25–1.7 kg); female: 27 in (68
cm), 3.8–5 lb (1.7–2.25 kg). Back and tail buffy brown, vermiculated
with black pattern. Male has head, neck, and underparts
black. Female has buffy head and underparts.
DISTRIBUTION
H. b. bengalensis: along border of southern Nepal and India,
east to lowlands of Assam; H. b. blandini: central and southern
Cambodia, southern Vietnam.
HABITAT
Flat grasslands, often with scattered shrubs, or in recently
burned patches. Visits cultivation.
BEHAVIOR
Both races dispersive, b. blandini probably with regular short
distance migration. On breeding grounds, males make display
flights from traditional sites.
FEEDING ECOLOGY AND DIET
Mainly vegetable matter in the nonbreeding season, invertebrates
in the breeding season.
REPRODUCTIVE BIOLOGY
One to two eggs laid in March to June (India) on bare scrape
where incubated for 25–28 days. No pair bond; female responsible
for all incubation and chick rearing.
CONSERVATION STATUS
Endangered. Total population thought to be around 500 individuals
in India/Nepal, but unquantified Indochinese population
possibly contains several thousand birds. Conversion of grasslands
and heavy hunting in some areas are the main threats.
SIGNIFICANCE TO HUMANS
Important food source in Cambodia.
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