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The Book of Birds > Unit 4 Review > Flashcards

Unit 4 Review Flashcards

1
Q

Why do birds migrate?

A

Birds migrate because food is scarce, not because they cannot stand the cold

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2
Q

How do they know when to migrate?

A

Birds know when to migrate based off the length of days.

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3
Q

What are the advantages of migrating at night?

A

Migrating at night provides more protection from predators and cooler air and requires less energy for the bird to fly.

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4
Q

How do birds navigate during migration

A

Nocturnal migrators use the positioning of the moon and the stars. Diurnal migrators use the landscape, Earth’s magnetic field, and infrasound.

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5
Q

What is the name of the #1 flyway?

A

Pacific Flyway

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6
Q

What is the name of the #2 Flyway?

A

Central Flyway

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7
Q

What is the name of the #3 Flyway?

A

Mississippi Flyway

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8
Q

What is the name of the #4 Flyway?

A

Atlantic Flyway

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9
Q

What is the common name for this bird?

A

Herring Gull

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10
Q

Name the bird that sings this song

A

Herring Gull

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11
Q

Why do birds establish a territory?

A

Territories are established to ensure that the bird has enough food

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12
Q

Name three kinds of nests.

A

minimal or ground nests, cup-shaped or saucer-shaped nests, domed nests, mud nests, or communal nests.

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13
Q

What are advantages to flocking?

A

Flocking provides protection from predators and increases the chances of catching prey.

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14
Q

Which birds tend to lead solitary lives?

A

Hummingbirds, woodpeckers, and birds of prey are usually solitary.

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15
Q

What is the common name for this bird?

A

Canada Goose

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16
Q

Name the bird that sings this song

A

Canada Goose

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17
Q

What is the common name for this bird?

A

Mallard

18
Q

Name the bird that sings this song

A

Mallard

19
Q

Which bird lays the largest egg in proportion to it’s body size?

A

The kiwi’s egg is twenty-five percent of its body weight.

20
Q

Of what material is an eggshell made?

A

What are the two main parts of an egg?

21
Q

What are the two main parts of an egg?

A

The two main parts of an egg are the ovum (yolk) and albumen (white)

22
Q

What part of the egg holds the genetic material?

A

The blastodisc holds all of the genetic material

23
Q

What is the egg shape of #1?

A

elliptical

24
Q

What is the egg shape of #2?

A

pyriform

25
Q

What is the egg shape of #3?

A

oval

26
Q

What is the egg shape of #4?

A

circular

27
Q

What is #1?

A

chalazae

28
Q

What is #2?

A

ovum (yolk)

29
Q

What is #3?

A

blastodisc

30
Q

What is #4?

A

albumen (white)

31
Q

What is #5?

A

air space

32
Q

What is the common name for this bird?

A

Black-capped Chickadee

33
Q

Name the bird that sings this song

A

Black-capped Chickadee

34
Q

Why do birds migrate?

A

Birds migrate because food is scarce, not because they cannot stand the cold

35
Q

Of what material is an eggshell made?

A

What are the two main parts of an egg?

36
Q

What are the two main parts of an egg?

A

The two main parts of an egg are the ovum (yolk) and albumen (white)

37
Q

Why are eggs incubated?

A

Eggs are incubated because the developing birds within are incapable of regulating their own body temperatures

38
Q

Describe a precocial chick

A

Precocial chicks are incubated longer. They are born with eyes open, covered in feathers, and ready to walk. They may leave the nest within hours of hatching and find their own food, but are protected by their parents.

39
Q

What is the common name for this bird?

A

Tufted Titmouse

40
Q

Name the bird that sings this song

A

Tufted Titmouse

The Book of Birds (24 decks)

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