| Kingdoms / Animalia / Craniata / Aves / Anseriformes / Anatidae / Anas / Species |
| < > Anas falcata - Falcated duck (Click photographs/illustrations: full picture & further details) |
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Alternative Names (Synonyms) |
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| Falcated teal Bronze-capped teal Canard à faucilles (French) Sichelente (German) Cerceta de Alfanjes (Spanish) Cerceta falcata (Spanish) Bronskopeend (Dutch) Praktand (Swedish) Eunetta falcata |
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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, B2, B3, B5, B8, B19, B25, B26, B27. 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:
(B7, B29, B30, B40, B94, B128.w1, D1) Species-specific information:
(B29, B30, B31, B94, B95, B97, B108, B128.w2) Aviornis UK Ringing Scheme recommended average ring size: K 10.0mm (D8). |
Management Techniques |
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External Appearance (Morphology)
Measurement & Weight |
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| Length | 18-21 inches, 46-53cm (B3); 46-54cm (B1). | |
| Adult weight | General | 422-770g (B1). |
| Male | 590-770g average 713g (B3); mean 1.7 lbs. (B8). | |
| Female | 422-700g average 585g; mean 1.7 lbs. (B8). | |
| Newly-hatched weight | -- | |
| Growth rate | -- | |
| Adult | Bill | Male | Dark grey to black. |
| Variations (If present) | -- | ||
| Eyes (Iris) | Male | Brown. | |
| Variations(If present) | -- | ||
| Juvenile | Bill | Dark grey. | |
| Eyes (Iris) | Brown. | ||
| Adult | Male | Dark grey. |
| Variations (If present) | -- | |
| Juvenile | Dark grey. | |
| Adult | Male | Head with long crest iridescent
green and purple, white spot on forehead, chin, throat and foreneck white with black
collar. Breast grey with black scaling, flanks and underparts pale grey with
fine black vermiculations.
Rump, tail and uppertail coverts
blackish, ventral region coverts
buff surrounded with black, and with white on sides behind flanks. Upperparts grey: scapulars grey and elongated, tertials long, pointed grey and black. Wing has blackish primaries, grey coverts with white tips to greater coverts, glossy green secondaries with white tips forming green speculum with white borders. |
| Variations (If present) | Female: head
and neck grey-brown with dark streaking and slight nape crest. Breast and underparts brown
with darker markings, white central abdomen, upperparts darker brown with pale markings.
Tail dark grey. Wing similar to male but coverts
browner, secondaries
less green. Eclipse:: similar to female but darker and with greyer forewing. |
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| Juvenile | Similar to female but buffer and duller. Greyer forewing in males than females. | |
Newly-hatched Characteristics |
| General: Dark brown upperparts,
reddish buff underparts including sides of face, slight line behind eye, pale
markings on wings and back. Bill: Grey Feet: Grey. |
Reproductive Season |
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| Time of year | Begins May/June. |
| No. of Clutches | -- |
Nest placement and structure |
| Nests near water, in tall grass or in bushes, on the ground. |
Egg clutches |
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| No. of Eggs | Average | -- |
| Range | 6-9 (B1, B8). | |
| Egg Description | Creamy or yellowish (B8). Size: 56 x 40mm, weight: 49g (B3). | |
| 24-26 days (B1, B8). |
| Synchronous. |
| 45-60 days (B8). |
Sexual Maturity |
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| Males | -- |
| Females | -- |
Feeding Behaviour |
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| Adults | Dabbles and up-ends in shallow water, also grazes on land. |
| Newly-hatched | -- |
Parental Behaviour |
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| Nest-building | Nests as solitary pairs or in loose groups. |
| Incubation | By the female only, but the male may stay near at first. |
| Newly-hatched | Tended by the female only. |
| Juveniles | -- |
Social Behaviour |
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| Intra-specific | Usually in pairs or small groups, but large flocks on migration and in the winter. |
| Inter-specific | Often seen with Anas strepera - Gadwall in winter in south-east Asia. |
Sexual Behaviour |
| Strong seasonal monogamous pair bond. |
Predation in Wild |
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| -- | |
| Circadian | -- |
| Seeds and green parts of aquatic plants, and crops, grasses, rice and grains. Also aquatic invertebrates. |
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Distribution and Movement (Migration etc.) |
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| Normal | South-eastern Siberia and Mongolia to Kuril Islands and north Japan. Migrates to winter in eastern Asia (China, Japan, Korea, and Vietnam), scattered locations westward to north-eastern India. |
| Occasional and Accidental | Vagrants west to Iran, Jordan, Turkey, and east to Aleutian Islands. |
| Introduced | -- |
| Freshwater lakes, pond, lagoons and
rivers, often in wooded areas. Also coasts, larger shallow waters, flooded meadows and rice fields in winter. |
Intraspecific variation |
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Conservation Status |
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| Wild Population - (Importance) |
Widespread and reasonably abundant in some areas of Russia, but overall declining (B1). |
| CITES listing | -- |
| Red-data book listing | -- |
| Threats | Habitat loss and hunting (B1, B8). |
Captive Populations |
| Common and popular in collections (B8). |
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