Ornithology quiz

More questions about Ornithology

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

1. 1 Easy

   What main evolutionary purpose do a peacock's colorful tail feathers serve?

   Answer: Attracting female mates

   Why: In an 1860 letter to Asa Gray, Darwin wrote that the sight of a peacock feather made him sick; he set out sexual selection fully in 1871.

2. 2 Medium

   Which specialized gland do birds use to waterproof their feathers?

   Answer: Uropygial gland

   Why: It sits at the base of the tail; ostriches, emus and pigeons lack it entirely and keep their plumage in shape with dust baths.

3. 3 Hard

   Which bird flies non-stop from Alaska to New Zealand without eating?

   Answer: Bar-tailed Godwit

   Why: Their gizzards and intestines shrink sharply before takeoff; the record run, in October 2022, was 13,560 km to Tasmania in 11 days.

4. 4 Easy

   Which small bird is the only one capable of flying backward?

   Answer: Hummingbird

   Why: Other birds can only back up briefly; wingbeats run from about 12 a second in the largest hummingbirds to 99 in small ones.

5. 5 Medium

   How many times per second can a woodpecker hammer its beak?

   Answer: Twenty pecks

   Why: Drumming is a song, not digging; it stakes out territory and calls a mate, and each species keeps its own tempo, so birders identify them by ear.

6. 6 Hard

   Which protein in bird eyes helps them detect magnetic fields?

   Answer: Cryptochrome

   Why: It is the leading candidate, not a proven sensor: in the lab, the robin version responds to magnetic fields more strongly than the chicken one.