BIOLOGICAL DESCRIPTION OF THE GREEN WING TEAL
*TAXONOMY
KINGDOM: ANIMALIA
PHYLUM: CHORDATA
SUBPHYLUM: VERTEBRATA
CLASS: BIRDS
ORDER: ANSERIFORMES
FAMILY: ANATIDAE
GENRE: Anas
SPECIES: crecca
SUBSPECIES: carolinesis
*DESCRIPTION
IT MEASURES FROM 30 TO 41cm. PRESENTS A NUT TYPE HEAD WITH BROWN COLORS. DISPLAYS A GREEN LATERAL SPOT AT EAR LEVEL AT THE HEAD. THE LATERAL PARTS ARE GRAY AND THE PLUMAGE OF THE WINGS IS DARK COLORED WITH WHITE STRIPES. THE FEMALES ARE DARK WITH NO DISTINCTION.
*REPRODUCTION
THEY BUILD THEIR NESTS OVER THE VEGETATION AT SEVERAL HUNDRED METERS FROM THE WATER AND LAY FROM 6 TO 18 EGGS. THE INCUBATION TIME IS FROM 21 TO 23 DAYS. THEY REPRODUCE ONLY ONCE A YEAR.
*DEVELOPMENT
THESE DUCKS ARE COMPLETELY FEATHERED AT THEIR 34 DAYS OLD
*FEEDING
THEY EAT SEEDS AND PLANTS AND RARELY AQUATIC INVERTEBRATES
*HABITAT & DISTRIBUTION
THEY PREFERE MOIST SOILS, POOLS AND LOW DEPTH LAKES. THEY REPRODUCE IN ALASKA, MANITOBA, QUEBEC, CALIFORNIA, AND IN WINTER THEY CAN BE FOUND IN CENTRAL AMERICA.
*MIGRATION
LIKE THE BROWN AND CINAMMON TEALS, THIS SPECIES ALSO HAS AN EARLY MIGRATION. SPRING TIME MIGRATION IS REALIZED FROM FEBRUARY UNTIL MARCH AND THE WINTER ONE CAN BE REALIZED FROM SEPTEMBER. ( GAMMONLEY AND FREDERICKSON , 1995)
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Common Name: Green Wing Teal
Scientific Name: Anas crecca carolinensis
Type of gain: Cinegetic
Type of marking products: Cinegetic License
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GREEN WING TEAL CHRONOLOGY
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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COURTSHIP
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X
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X
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X
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|
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|
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X
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X
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X
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SPRING MIGRATION
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X
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X
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|
|
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|
|
|
|
|
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NESTING
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|
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X
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X
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|
|
|
|
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WINTER MIGRATION
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|
|
|
|
|
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X
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X
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X
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X
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