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United
States Department of the Interior
Fish and Wildlife Service
Cross Creeks National Wildlife Refuge
Weekly Waterfowl Population Summary
Calendar
Week (Sun.- Sat.): November 17 - November 23, 2002
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Whistling - Duck
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Ring-necked Duck
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370 |
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Tundra Swan
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Greater Scaup
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|
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Trumpeter Swan
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Lesser Scaup
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|
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Mute Swan
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Oldsquaw
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|
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White-Fronted Goose
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12 |
Black Scoter
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|
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Snow Goose
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5 |
Surf Scoter
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|
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Canada Goose
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1,185 |
Common Goldeneye
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|
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Wood Duck
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4 |
Bufflehead
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|
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Green-winged Teal
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48 |
Hooded Merganser
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34 |
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American Black Duck
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354 |
Common Merganser
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|
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Mallard
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3,138 |
Red-breasted Merganser
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|
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Northern Pintail
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98 |
Ruddy Duck
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|
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Blue-winged Teal
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Adult Bald Eagle
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|
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Cinnamon Teal
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Imm. Bald Eagle
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|
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Northern Shoveler
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|
Golden Eagle
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|
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Gadwall
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643 |
Scaup
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25 |
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American Wigeon
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122 |
Unknown
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Canvasback
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|
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Redhead
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American Coot
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Geese
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Ducks
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Coots
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Swans
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Total
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1,202 |
4,802 |
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Preceding Week (%change)
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+5% |
-25% |
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Preceding Year
(%change)
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-61% |
-67% |
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10 Year Average (%change)
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-33% |
-52% |
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NOTE:
%change = difference divided by former population level.
Supplementary Information
Waterfowl Activity: On this survey 87% of ducks
observed were recorded
in upper Pool 4. Geese were fairly evenly distributed throughout the
length of the refuge.
Hunting Pressure and Success: No season in progress.
Weather: Lowest temperature occurred Monday with a morning low of 28o
F
mild temperatures persisted most of the week with typical afternoon high
reaching the low 60's.
Habitat: Waterfowl were completely absent from Pool 7 due to lack of
water in this unit, unit was drawn down 18" to facilitate crop harvest.
Now that cooperative farmer has finished harvesting
Pool 7 will be re-flood to the previous week's level.
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