Migration

Question 1

Migration

Answer 1

Seasonal or periodic movement of animals from one location to another, often for breeding, feeding, or avoiding unfavorable environmental conditions.

Question 2

Bird adaptations to detect earth’s magnetic field

Answer 2

Cells in the beak containing magnetite and cryptochrome proteins in the eyes.

Question 3

Mechanisms of position calculating

Answer 3

Magnetic field detection, celestial navigation, smell, landmarks.

Question 4

3 Irish birds that migrate

Answer 4

Swallows (hirundo rustica)
Swifts (Apus apus)
Brent goose (Branta bernicia) from arctic.

Question 5

Who conducted the pigeon homing expoeriments?

Answer 5

Wiltschko and Wiltschko 1972.

Question 6

What devices were used in pigeon homing experiments?

Answer 6

Bar magnets and brass bars (control) in pigeon hlmets.

Question 7

What were the results of pigeon homing experiments?

Answer 7

Pigeons utilize magnetic fields on cloudy days to determine position.

Question 8

Magnetoreception

Answer 8

Detecting magnetic fields in order to determine your position and find other locations.