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RUDY DUCK
 BIOLOGICAL DESCRIPTION OF THE RUDY DUCK
TAXONOMY
KINGDOM: ANIMALIA
PHYLUM: CHORDATA
SUBPHYLUM: VERTEBRATA
CLASS: BIRDS
ODER: ANSERIFORMES
FAMILY: ANATIDAE
GENUS: Oxyura
SPECIES: jamaicensis
IT MEASURES FROM 36 TO 41 cm. IT IS A SMALL DUCK, WITH A LONG TAIL. MALES, DURING THEIR REPRODUCTION SEASON, SHOW A HAZELNUT WITH BLACK COLOR. MALES AND FEMALES DURING THE WINTER SEASON THEY SHOW A DARK BROWN COLORATION WITH CROSSING DARK STRIPES. THE MALE'S PEAK DURING REPRODUCTION IS BLUE BUT BLACK IN OTHER SEASONS.
THEY BUILD THEIR FLOATING NESTS USING DRY PARTS FROM MOIST SOILS, THEY LAY FROM 6 TO 20 CREME COLOR EGGS. INCUBATION TIME IS OF 23 TO 26 DAYS.
THESE DUCKS ARE COMPLETELY FEATHERED AT THEIR 45 TO 50 DAYS OLD.
THEIR DIET IS BASED MAINLY ON SEEDS AND AQUATIC PLANTS, AND IN SMALLER QUANTITIES AQUATIC INVERTEBRATES.
THEY REPRODUCE IN MOIST SOILS. THEIR DISTRIBUTION GOES FROM BRITISH COLUMBIA, CALIFORNIA, NEW MEXICO AND TEXAS. IT IS COMMON TO SEE THEM IN THE STUDY REGION DURING THE WINTER.
WINTER MIGRATION STARTS IN SEPTEMBER AND ENDS IN OCTOBER AND SPRING MIGRATION STARTS IN FEBRUARY AND ENDS IN APRIL (BELLROSE, 1976) (GOUGH, 1998)
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COMMON NAME: RUDY DUCK
SCIENTIFIC NAME: Oxyura jamaicensis
TYPE OF GAIN: Cinegetic
TYPE OF MARKING: HUNTING LICENSE
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CHRONOLOGY OF THE RUDY 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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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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SPRING MIGRATION
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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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WINTER MIGRATION
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X
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X
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