Waterfowl Biofacts Flashcards
Puddle ducks are found where?
shallow marshes and rivers
How do puddle ducks feed?
By dabbling or tipping
Name all species of puddle ducks (9)
mallard, gadwall, pintail, blue-winged teal, green-winged teal, american widgeon, shoveler, wood duck, mottled duck
Diving ducks are found where?
deeper marshes, bays, and lakes
Do diving ducks have to run or pedal to get into flight?
yes
do puddle ducks have pedal or run to get into flight?
no
Name all species of diving ducks (8)
redhead, canvasback, ring-necked duck, bufflehead, goldeneye, merganser lesser scaup, and ruddy duck
What are the least known ducks of North America
Whistling ducks
What are the four comon geeses that winter in Texas?
Canada, lessor snow, Ross’, and white fronted
How many races of Canada geese are there?
11
Canada geese weight
3.4-12.5
Until 1961 what two rases were throught to be two separate races
blue and lesser snow geese
What formations do Canada and Snow geese fly in?
Canada: V; Snow: U
What 5 requirements must wetlands have
food, water, resting/roosting, cover, and nesting
What year and what swamp did George Washington survery of Virginia and NOrth Carolina?
1763; Dismal Swamp
What is the most productive wildlife land?
Wetlands
Estimates of irreversibly altered or destroyed wetlands in the __ continental states have already reached ___ percent
48; 40
Where does 1/2 of the US population live?
bordering the ocens, Gulf of Mexico, Great Lakes
What are the following 6 categories of wetlands
gulf coast wetlands, bottomland hardwood forests, playa lakes, freshwater springs and headwater streams, west texas riparian areas, coastal pothole wetlands
Between the mid ___ and ___ the Gulf Coast Wetlands diminished by approximately __% from an estimated 937,000 to 611,000 acres
1950’s-1970’s; 35%;
Bottomland hardwood habitat has beed reduced by approximatley ___% from and intial estimate of 16 million acres to 5.9 acres
63%
The 10 million acre loss of bottomalnd hardwood is a result of what?
agricultural conversion, reservoirs, and commercial development
What can assist a landowner with various sources of assistance?
Natural Resources Conservation Service
What depth of water is preferred by puddle ducks?
6-18 inches
Draining in ___ allows vegetation to grow
summer
If good plants for waterfowl arent present, what do you plant?
red rice, japanese millet, browntop millet
Flood the reservoir with __ to __ inches of water over ___% of the area from ___ to ___.
6-18 inches; 80%; October 25 through March 15
Drain the reservoir from ___ through ____ to prevent damage to the trees allow regeneration of vegetation
March 15 through October 15
Consult who before beginning projects?
USDA, Natural Resources conservation Service
Upland depressions are areas occer where?
flatwoods or native pastures