Lesson 10

Question 1

What are the three main ways in which birds communicate?

Answer 1

song, call, or non-vocal communication

Question 2

When are bird songs most commonly heard?

Answer 2

during mating season

Question 3

Which gender does most of the singing?

Answer 3

males

Question 4

How do songs differ from calls

Answer 4

songs: longer and more melodic and complex; calls: heard year round, short and simple

Question 5

What are the two types of vision? Describe the benefits and drawbacks of each type

Answer 5

Monocular vision= birds that have eyes o either side of their head; large field of vision but poor depth perception; they can use each eye for different tasks Binocular vision- birds that have both eyes at the from of head; gives them smaller field of vision but greater depth perception

Question 6

What kind of birds need dense auricular feathers?

Answer 6

Aquatic birds to protect their ears form water.