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Waterfowl Research Articles

The following articles were previously featured in the "Understanding Waterfowl" column of the Ducks Unlimited Magazine.

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Waterfowl Sex Ratios
A variety of factors influence the proportion of males and females in waterfowl populations.

Diving Ducks: Into the Deep
Diving ducks are perfectly designed for feeding in deep-water habitats.

Life in the Egg
A look at the incubation process of the egg

Nest Site Selection
Where ducks make their nests is vital to the birds' breeding success

Waterfowl Energy Demands

Nature or Nurture
Both instinct and learning play important roles in shaping waterfowl behavior

Stay Off My Pond

Flying Machines

Webbed Wonders

Birds of a Feather

Waterfowl CSI
Isotope analysis is helping researchers solve waterfowl mysteries

Getting Ready for the Migration
After the breeding season, ducks must molt and must build energy reserves in time for fall migration

The Incubation Period
For female waterfowl, hatching a nest requires a big investment of time and energy

The Salt Marsh Sovereig
Food and habitat resources needed for wintering black ducks

Wings in Action

Waterfowl Hybrids
Crossbreeding produces rare and interesting birds but also threatens the survival of some species

Dressed for Success
A drake’s bright colors and a hen’s dull plumage both play crucial roles in breeding

Extrapair Paternity
Many waterfowl broods include offspring from more than one male

Fueling the Engines
Fueling the Engines - Feeding and digestion in waterfowl

How Ducks Navigate

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	President Franklin D. Roosevelt signs the Migratory Bird Hunting and Conservation Stamp Act into law. First duck stamp, designed by Pulitzer-prize winning editorial cartoonist, Jay N. "Ding" Darling, issued. Prairie drought peaks.