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PINTAIL DUCK
 BIOLOGICAL DESCRIPTION OF THE PINTAIL DUCK
TAXONOMY
KINGDOM: ANIMALIA
PHYLUM: CHORDATA
SUBPHYLUM: VERTEBRATA
CLASS: BIRDS
ORDER: ANSERIFORMES
FAMILY: ANATIDAE
GENUS: Anas
SPECIES: acuta
THE LENGTH OF THE MALES IS FROM 64 TO 74 cm. AND WEIGH 1.040 g. FEMALES FROM 53 TO 58 cm. AND WEIGH 860 g. THEY HAVE A LONG NECK. MALES HAVE A BROWN HEAD WITH A WHITE STRIPE THAT GOES FROM THE HEAD TO THE NECK. THE LATERAL PARTS ARE GRAY AND THE EDGES OF THE WINGS ARE BLACK. THEY HAVE A VERY LONG BLACK FEATHER ON THE TAIL. FEMALES ARE SPOTTED BROWN. THE PEAK IS GRAYISH IN BOTH SEXES. (FREDRICKSON Y HEITMEYER., 1991)
THEY BUILD THEIR NEST FROM FEATHERS, THEY ARE DEEP AND RELATIVELY FAR FROM THE WATER, THEY LAY FROM 6 TO 9 GREEN EGGS.
THEY ARE COMPLETELY FEATHERED AT THEIR 36 TO 57 DAYS OLD.
THEY PREFER THE PRAIRIES AND THE TUNDRA. THEY DISTRIBUTE FROM ALASKA TO CALIFORNIA, MAIN. IN THE WINTER THEY CAN GO TO CENTRAL AMERICA. IN THE STUDY REGION IT IS FOUND WITH RELATIVE ABUNDANCE IN THE AGRICULTURAL ZONES AND RIVERS.
SEEDS FROM AQUATIC PLANTS ARE THEIR MAIN SOURCE OF FOOD, BUT THEY ALSO EAT SMALL AQUATIC INVERTEBRATES. THEY CAN BE CONSIDERED OMNIVOROUS.
THESE DUCKS START THEIR MIGRATION AT THE BEGINNING OF SPRING AND GENERALLY START NESTING BEFORE OTHER SPECIES OF DUCKS. IT IS POSSIBLE TO SEE FEMALES INCUBATING THEIR EGGS IN A SNOWY WEATHER. WINTER MIGRATION STARTS AT THE BEGINNING OF AUGUST. (FREDRICKSON Y HEITMEYER, 1991).
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COMMON NAME: PINTAIL DUCK
SCIENTIFIC NAME: Anas acuta
TYPE OF GAIN: Cinegetic
TYPE OF MARKING: HUNTING LICENSE
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CHRONOLOGY OF THE PINTAIL DUCK
MONTHS
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ACTIVITY
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J
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F
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M
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A
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M
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J
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J
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A
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S
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O
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N
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D
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SPRING MIGRATION
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X
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X
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X
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X
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X
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X
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COURTSHIP
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X
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X
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X
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X
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X
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X
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X
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NESTING
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X
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X
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X
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X
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WINTER MIGRATION
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X
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X
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X
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X
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