Unit 10 Waterfowl Ecology

The lesser scaup is classified as which type of waterfowl?

• Goose

• Sea Duck

• Stiff tailed duck

• Diving Duck

What is the speculum on waterfowl?

• Bright-colored patch on the secondaries of dabbling ducks

• Bright-colored patch on the secondaries of diving ducks

• Differences in bill coloration

• Range of colors waterfowl can exhibit

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Which of the following typically triggers migration for waterfowl?

• spring and fall weather and storms

• Photoperiods

• Lack of food sources

• bird begins to molt

Where are the lamellae located?

• In the esophagus of the bird

• In the food needed for nutrients

• In the vocal cords of the bird

• In the bill of a bird

Around _____ percent of nests will hatch, the rest will be lost to predation or agricultural practices.

• 15

• 20

• 25

• 30

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When chicks are born fully developed, they are referred to as which of the following?

• Precocial

• Altricial

Waterfowl belong to which taxonomic class?

• Anatidae

• Aves

• Anseriformes

• Anserinae

Which of the following have a spatulate bill?

• Northern Shoveler

• American wigeon

• Canvasback

• Geese

Which of the following best describes the purpose of an eclipse or basic plumage for female ducks?

• Increased concealment from predators

• Attract a mate

• Prepare for migration

• Provides extra feathers to use in nest building

Select the two waterfowl known for forming seasonally monogamous pair bonds

• American wigeon

• Canada goose

• canvasback

• mute swan