Overview

Comprehensive Description

Small white mark at base of lower mandible. Reminiscent of D. arborea though smaller and with blackish mask and grey face, round white marks on belly. Juvenile duller, having white flank feather broadly streaked with black, irregular white streaks on sides.

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Source: Birds of Papua New Guinea

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Distribution

Range

Sulawesi to New Guinea, Bismarck Arch. and s Philippines.

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Distribution:


    Mindanao (Philippines) and Sulawesi through Moluccas and Tanimbar (Lesser Sundas) to New Guinea and Bismarck Archipelago.


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Source: Birds of Papua New Guinea

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Physical Description

Size

43-50 cm. 800 g

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Source: Birds of Papua New Guinea

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Diagnostic Description

Small white mark at base of lower mandible. Reminiscent of D. arborea though smaller and with blackish mask and grey face, round white marks on belly. Juvenile duller, having white flank feather broadly streaked with black, irregular white streaks on sides.

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Source: Birds of Papua New Guinea

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Ecology

Habitat

Habitat and Ecology

Systems
  • Terrestrial
  • Freshwater
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Margins of freshwater swamps, lakes, pools, creaks and rivers, surrounded by grasslands and scatted trees, only in lowlands.

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Source: Birds of Papua New Guinea

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Trophic Strategy

Diet includes grass seeds and small snails.

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Life History and Behavior

Behavior

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Reproduction

Starts at beginning of wet season (Sept). Nest in hollow trees. Normally 11 eggs, incubation c. 28-31 days.

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Conservation

Conservation Status

IUCN Red List Assessment


Red List Category
LC
Least Concern

Red List Criteria

Version
3.1

Year Assessed
2012

Assessor/s
BirdLife International

Reviewer/s
Butchart, S. & Symes, A.

Contributor/s

Justification
This species has a very large range, and hence does not approach the thresholds for Vulnerable under the range size criterion (Extent of Occurrence <20,000 km2 combined with a declining or fluctuating range size, habitat extent/quality, or population size and a small number of locations or severe fragmentation). The population trend appears to be stable, and hence the species does not approach the thresholds for Vulnerable under the population trend criterion (>30% decline over ten years or three generations). The population size may be moderately small to large, but it is not believed to approach the thresholds for Vulnerable under the population size criterion (<10,000 mature individuals with a continuing decline estimated to be >10% in ten years or three generations, or with a specified population structure). For these reasons the species is evaluated as Least Concern.
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Not Threatened.

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Population

Population
The population is estimated to number 10,000-25,000 individuals, roughly equating to 6,700-17,000 mature individuals.

Population Trend
Stable
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Wikipedia

Spotted Whistling Duck

The spotted whistling duck (Dendrocygna guttata) is a member of the duck family Anatidae.

Its range is the Philippines south through central Indonesia to New Guinea. It has recently colonised Australia, with a small population now resident at Weipa on the western coast of Cape York Peninsula.

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References[edit]

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