| Kingdoms / Animalia / Craniata / Aves / Anseriformes / Anatidae / Aix / Species |
| < > Aix sponsa - Wood duck (Click photographs/illustrations: full picture & further details) |
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Alternative Names (Synonyms) |
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| North American Wood Duck Carolina duck Carolina Carolina wood duck American wood duck Woodie Summer duck Brautente (German) Canard carolin (French) Pato del bosque de Carolina (Spanish) Pato joyuyo (Spanish) |
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Names for newly-hatched |
Duckling, downy. |
Names for non-breeding males or other colour-phases |
Eclipse. |
Species Author |
Debra Bourne |
Major References |
B1, B3, B6, 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.w3, B29, B31, B94, B96, B97, B108). Aviornis UK Ringing Scheme recommended average ring size: J 9.0mm (D8). |
Management Techniques |
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External Appearance (Morphology)
Measurement & Weight |
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| Length | 17-20 inches, 43-51cm (B3, B1) | |
| Adult weight | General | 482-879g (B1). |
| Male | 539-879g, average 680g (B3); mean 1.5 lbs. (B8). | |
| Female | 482-879g, average 539g) (B3); mean 1.2 lbs. (B8). | |
| Newly-hatched weight | -- | |
| Growth rate | -- | |
| Adult | Bill | Male | Thin yellow line of extreme base, then red base, shading to white on sides, black central stripe and tip. Bill base projects towards eyebrow. |
| Variations (If present) | Female: grey; bill base projects towards eyebrow as in male. | ||
| Eyes (Iris) |
Male | Red, surrounded by orange ring. | |
| Variations(If present) | Female: Brown with narrow yellow ring.. | ||
| Juvenile | Bill | Grey. | |
| Eyes (Iris) | Brown; indistinct yellow ring.. | ||
| Adult | Male | Yellow. |
| Variations (If present) | Female: dull yellow-grey | |
| Juvenile | Dull yellow-grey. | |
| Adult | Male | Head iridescent
green-black, extending into long crest. Thin white line from base of bill to tip of crest,
second white line from just behind eye to end of crest, throat white extending dorsally to
form two white lines, one behind eye, second at top of neck. Neck blackish neck
blends into chest maroon spotted with white, separated by white and black vertical
bars from flanks yellow/buff with fine vermiculations and narrow band of black and
white striping at upper edge separating from upperparts of iridescent
blue/green/black. Abdomen white, tail iridescent green/black, with
brown/black/maroon coverts. Wings iridescent green/blue with white on tips of secondaries and outer vanes of primaries. |
| Variations (If present) | Female: head
grey with darker crown and large white ring around eye extending posteriorly into
stripe, also white line around bill and small throat patch. Upperparts olive-brown,
breast and flanks olive brown spotted with white, abdomen white, tail and
uppertail coverts olive. Wings less iridescent and more white on tips of
secondaries. Eclipse: Similar to female but still has more white on throat. |
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| Juvenile | Similar to female but abdomen spotted with brown, less developed white ring around eye; males begin to develop white chin and throat. | |
Newly-hatched Characteristics |
| General: Upperparts
dark brown with small white patches on wings and back; underparts pale
yellow with black stripe from eye to nape. Bill: Blue/grey. Feet: Black. |
Reproductive Season |
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| Time of year | Begins February/April. |
| No. of Clutches | Southern birds occasionally double-clutch. |
Nest placement and structure |
| In tree cavities up to 80 feet above the ground, lined with down. |
Egg clutches |
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| No. of Eggs | Average | -- |
| Range | 9-15 (B1, B8) | |
| Egg Description | White to brownish-white. | |
| About 30 days (B1); 25-31 days (B8). |
| Synchronous. |
| 60 days (B1, B8). |
Sexual Maturity |
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| Males | One year old. |
| Females | One year old. |
Feeding Behaviour |
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| Adults | Mainly feed by plucking, dabbling, head-dipping and upending on water, but also feed on land. |
| Newly-hatched | -- |
Parental Behaviour |
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| Nest-building | Solitary nests. |
| Incubation | By female. |
| Newly-hatched | Tended by female, who leads the brood the sometimes -considerable distance to water after they have jumped out of the nest hole. |
| Juveniles | May be abandoned by one month old. |
Social Behaviour |
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| Intra-specific | Often in small groups. |
| Inter-specific | -- |
Sexual Behaviour |
| Egg-eating snakes, racoons, woodpeckers all take eggs. |
Predation in Wild |
| Egg-eating snakes, racoons, woodpeckers all take eggs. |
| -- | |
| Circadian | -- |
| Acorns and other nuts, seeds and green parts of aquatic plats including water-lilies, pondweeds, wild rice, arrow arum, duckweeds. |
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Distribution and Movement (Migration etc.) |
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| Normal | Western, south-eastern and central North America; Cuba. Northern birds migrate south for winter, as far as central Mexico. |
| Occasional and Accidental | Regularly seen Bermuda, Azores and also Alaska. (Records in Europe presumed to be from escaped birds). |
| Introduced | Introduced into Britain on several occasions from 1870 onwards, but never fully established. |
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Intraspecific variation |
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Conservation Status |
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| Wild Population - (Importance) |
Abundant (B1). |
| CITES listing | -- |
| Red-data book listing | -- |
| Threats | -- |
Captive Populations |
| Common in collections (B8). |
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