Ducks quiz

More questions about Ducks

These visible examples show the question style. LearnClash turns the full topic into ranked duels and spaced repetition.

1. 1 Easy

   Where do female wood ducks build their nests?

   Answer: Tree cavities

   Why: Day-old wood duck chicks jump out of tree cavities up to 50 feet high without injury to reach water.

2. 2 Medium

   Which duck lines nests with down harvested for luxury quilts?

   Answer: Common eider

   Why: Icelandic farmers take part of the down during incubation and tuck dry hay in its place, and one nest yields only about 15 grams.

3. 3 Hard

   Which South American duck always lays its eggs in other birds' nests?

   Answer: Black-headed duck

   Why: Black-headed ducklings are precocial, leaving the host nest within hours of hatching without harming the host's chicks.

4. 4 Easy

   Which kind of duck feather fills winter sleeping bags?

   Answer: Down

   Why: Down traps insulating air because its soft fibers lack the interlocking hooks found on outer flight feathers.

5. 5 Medium

   Which bird family includes all ducks, geese, and swans?

   Answer: Anatidae

   Why: The family Anatidae groups ducks, geese, and swans because of their shared aquatic adaptations.

6. 6 Hard

   What is the iridescent wing patch on a dabbling duck called?

   Answer: Speculum

   Why: The shimmer of a duck's speculum is structural coloration produced by light interference rather than chemical pigment.