Understanding Waterfowl: The Amazing World of Macroinvertebrates
An important food source for many waterfowl, these tiny creatures have fascinating life histories

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

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

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Pintails: A Love-Hate Relationship with Spring Wetlands

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Understanding Waterfowl: The Blue-Winged Ducks
Northern shovelers and blue-winged and cinnamon teal are among the most closely related of North America's ducks

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Danger From Above

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

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

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Waterfowl Energy Demands

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Waterfowl CSI
Isotope analysis is helping researchers solve waterfowl mysteries

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The Scoop on Duck Bills
These feeding tools come in a variety of shapes and sizes

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

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Understanding Waterfowl: The Amazing Molt
Waterfowl replace all of their feathers with new plumage at least once a year

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Flying Machines

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Birds of a Feather

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

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Banding Together
Band recoveries reported by hunters are an essential source of information for waterfowl managers

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Waterfowl Feeding Adaptations
Ducks and geese are well equipped to find food in a variety of habitats

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Understanding Waterfowl: Duck Digestion
An inside look at the dynamic digestive system of waterfowl

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

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