| Living Organisms / Animalia / Craniata / Aves / Anseriformes / Anatidae / Anas / Species |
| Ý ß Anas acuta - Northern pintail (Click photographs/illustrations: full picture & further details) |
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Alternative Names (Synonyms) |
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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: Legislation references: |
ORGANISATIONS |
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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, B40, B94, B95, B96, B97, B108, B128.w2, B129). Aviornis UK Ringing Scheme recommended average closed ring size: L 10.0mm (D8). |
| Individual Techniques linked in WILDPro |
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Measurement & Weight |
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| Length | 20-29 inches, 51-74cm (B3); 50-65cm (B1) | |
| Adult weight | General | About 850g (B1) |
| Male | 710-1250g average about 850g (B3); mean 1.8 lbs. (B8) | |
| Female | Mean 1.7 lbs. (B8). | |
| Newly-hatched weight | -- | |
| Growth rate | -- | |
| Adult | Bill | Male | Blue-grey with black culmen stripe and nail. |
| Variations (If present) | Female: duller | ||
| Eyes (Iris) | Male | Yellow-brown. | |
| Variations(If present) | Yellow-brown. | ||
| Juvenile | Bill | Dark grey. | |
| Eyes (Iris) | Brown. | ||
| Adult | Male | Slate grey. |
| Variations (If present) | -- | |
| Juvenile | Grey. | |
Newly-hatched Characteristics |
| General: Upperparts
dark brown with white markings, underparts whitish, with two stripes from eye to nape on brownish sides of head. Bill: Dark grey. Feet: Olive grey. |
Reproductive Season |
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| Time of year | Begins April/May. |
| No. of Clutches | One, but re-nests if clutch lost. |
Nest placement and structure |
| On the ground, loosely concealed in vegetation, built from dry vegetation and lined with down and feathers. |
Egg clutches |
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| No. of Eggs | Average | 7-9 (B1). |
| Range | 6-12 (B1); 6-10 (B8). | |
| Egg Description | Greenish or cream coloured (B3, B8); average 55x39mm (B3). | |
| 22-24 days (B1); 21-26 days (B8). |
| Synchronous. |
| 40-45 days (B1); 38-52 days (B8). |
Sexual Maturity |
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| Males | One, sometimes two years old. |
| Females | One, sometimes two years old. |
Feeding Behaviour |
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| Adults | Dabble, head-dip and up-end, make use of long necks to reach further than many ducks, also graze on land. |
| Newly-hatched | -- |
Parental Behaviour |
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| Nest-building | Solitary nests or in loose groups. Built by female. |
| Incubation | by female only. |
| Newly-hatched | Tended by female only. |
| Juveniles | -- |
Social Behaviour |
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| Intra-specific | Gregarious most of the year, forming small groups but sometimes larger flocks. |
| Inter-specific | -- |
Sexual Behaviour |
| Seasonal pair bond but male also promiscuous. Male leaves female about one week into incubation. |
Predation in Wild |
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| Circadian | Crepuscular and nocturnal feeding. |
| Seeds of grasses, sedges, pondweeds, also vegetative parts, aquatic insects, molluscs, crustaceans, also grain and potatoes, amphibians, small fish. |
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Distribution and Movement (Migration etc.) |
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| Normal | Across most of Nearctic and Palearctic. Migrates to lower latitudes in winter: to Mexico, Central America, West Indies, southern Europe, Middle East, North, West and East Africa (beyond equator in East Africa, southern Asia, Japan. |
| Occasional and Accidental | Accidental to Bear Island, Kuwait, Azores. |
| Introduced | -- |
| Shallow fresh-water lakes, marshes, tundra pools, rivers, in dry rather than swampy areas, open grasslands with cover available rather than wooded areas. Often in coastal areas in winter. |
Intraspecific variation |
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Conservation Status |
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| Wild Population - (Importance) |
Widespread and common (B1). |
| General Legislation |
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| CITES listing | CITES III in Ghana (B1). |
| Red-data book listing | Listing not yet included. |
Captive Populations |
| Common in collections (B8). |
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