| Kingdoms / Animalia / Craniata / Aves / Anseriformes / Anatidae / Dendrocygna / Species |
| < > Dendrocygna bicolor - Fulvous whistling-duck (Click photographs/illustrations: full picture & further details) |
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Alternative Names (Synonyms) |
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| Fulvous tree duck Dendrocygna fulva Large whistling teal Sichelpfeifgans (German) Gelbbrust-Pfeifgans (German) Dendrocygne à bec fauve (French) Dendrocygne fauve (French) Suirirí bicolor (Spanish) Pato silbon (Spanish) Pichici colorado (Spanish) |
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Names for newly-hatched |
Duckling, downy. |
Names for non-breeding males or other colour-phases |
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Species Author |
Debra Bourne |
Major References |
B1, B3, B4, B7, B8, B19, B25, B26. Aviculture references: |
Other References |
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TAXA Group (where information has been collated for an entire group on a modular basis) |
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Parent Group |
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Specific Needs Group referenced in Management Techniques |
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Aviculture Information |
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Notes |
General information:
Species-specific Information:
(J23.13.w10, B29, B30, B31, B96, B97, D1). Aviornis UK Ringing Scheme recommended average closed ring size: L 11.0mm, few males N 13.0mm (D8). |
Management Techniques |
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External Appearance (Morphology)
Measurement & Weight |
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| Length | 18-21" 45-53cm B3, B1). | |
| Adult weight | General | 621-755g (B1). |
| Male | 621-755g, average 675g (B3). | |
| Female | 631-739g, average 690g (B3). | |
| Newly-hatched weight | -- | |
| Growth rate | -- | |
| Adult | Bill | Male | Grey. |
| Variations (If present) | -- | ||
| Eyes (Iris) | Male | Dark brown. | |
| Variations(If present) | -- | ||
| Juvenile | Bill | Grey. | |
| Eyes (Iris) | Dark brown. | ||
| Adult | Male | Grey |
| Variations (If present) | -- | |
| Juvenile | Grey | |
| Adult | Male | Head and neck rich
cinnamon-buff. Crown darker, with dark band down hindneck. Throat buff-white, sides of
neck buff-white with fine dark streaking. Breast, abdomen and flanks rich cinnamon-buff. Upper (dorsal) flank feathers slightly elongated, creamy with black edge. Ventral area and undertail coverts creamy white. Upperparts dark brown with chestnut feather fringes. |
| Variations (If present) | Female slightly duller. | |
| Juvenile | Duller, pale underparts, less chestnut on upperwing, paler underparts. | |
Newly-hatched Characteristics |
| General: Upperparts
grey-brown; Underparts whitish. Streaking on face and pale marks on wings. Bill: Grey Feet: Grey |
Reproductive Season |
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| Time of year | Depends on water availability. Often at the end of the rainy season in the neotropics. Summer breeder in the USA and in Argentina. June to October (mainly July and August) in India. Mostly February to August in southern Africa but nearly all months further north in Africa. |
| No. of Clutches | -- |
Nest placement and structure |
| Trampled mound of plant material hidden in vegetation on the ground, or in tree hollows, forks of trees and the abandoned stick-nests of other bird species. |
Egg clutches |
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| No. of Eggs | Average | 10 (B1). |
| Range | 6-16 (B1); 9-15 (B8). Up to 100 eggs in dump-nests. | |
| Egg Description | Cream to buff-white. Length: 53 x 38 mm, weight 50g. | |
| 24-28 days (B1, B8). |
| Synchronous. |
| About 63 days (B1); 55-63 days (B8). |
Sexual Maturity |
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| Males | 1 year old. |
| Females | 1 year old. |
Feeding Behaviour |
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| Adults | Feeds by dabbling, head-dipping and upending, occasionally diving. |
| Newly-hatched | -- |
Parental Behaviour |
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| Nest-building | In pairs or loose groups. |
| Incubation | Both sexes incubate. |
| Newly-hatched | -- |
| Juveniles | -- |
Social Behaviour |
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| Intra-specific | Form flocks. |
| Inter-specific | -- |
Sexual Behaviour |
| Strong, probably permanent pair-bonds. |
Predation in Wild |
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| Circadian | Nocturnal to crepuscular. |
| Basically vegetarian. Rice, other seeds, fruits, grasses, bulbs, rushes. |
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Distribution and Movement (Migration etc.) |
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| Normal | Northern Argentina, through
Northern and eastern South America to southern USA; Africa south of the Sahara, from
Senegal to Ethiopia to South Africa and Madagascar. Indian subcontinent east to Burma. Widely nomadic within its range. |
| Occasional and Accidental | Vagrants as far north as British Columbia and Nova Scotia. |
| Introduced | -- |
| Marsh habitats and swamps, where there is well-developed tall vegetation. Common in rice fields. |
Intraspecific variation |
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Conservation Status |
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| Wild Population - (Importance) |
Not globally threatened. Widespread but local populations. Concentrates in large numbers in suitable habitat. New World population less than 1,000,000; African population up to 625,000; Asian population declining, perhaps 20,000 (B1). |
| CITES listing | Cites III in Ghana, Honduras (B1). |
| Red-data book listing | -- |
| Threats | Persecuted as agricultural pests in some areas (B1). |
Captive Populations |
| Abundant. |
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