Chapter 17- Birds

Question 1

vertebrates with feathers, wings, and scale-covered legs

Answer 1

birds

Question 2

zoologists who study birds

Answer 2

ornithologists

Question 3

birds, like mammals, are

Answer 3

homeothermic
warm-blooded
vertebrates

Question 4

characteristics that equip birds for flying

Answer 4

1. compact, strong, lightweight skeleton
2. nearly rigid backbone that gives support for flight
3. hollow spaces for air sacs
4. bipedal anatomy
5. prominent ridge on breastbone
6. three bones in the shoulder area that support wing
7. lightweight beaks and skulls
8. efficient circulatory system
9. powerful muscles to power wings

Question 5

bird characteristics to identify birds

Answer 5

unmistakable tails
field markings
identifying calls

Question 6

approximately 60% of birds fall into the category of

Answer 6

perching birds (songbirds)

Question 7

have three toes forward one pointing backwards

Answer 7

perching birds

Question 8

birds known for their fierce and precise hunting skills

Answer 8

birds of prey

Question 9

types of perching birds

Answer 9

bluebirds
robins
thrushes

Question 10

large carnivorous birds with weak feet that cannot carry off large prey

Answer 10

vultures

Question 11

the largest living land bird of North AMerica is the

Answer 11

California candoron

Question 12

one of the strongest eagles

Answer 12

sea eagle

Question 13

the only two eagles native to N America

Answer 13

bald eagle
golden eagle

Question 14

smaller birds of prey that are remarkable hunters

Answer 14

falcons

Question 15

not only the fastest flying bird, but also the fastest of any living creature

Answer 15

peregrine falcon

Question 16

birds that commonly live or feed in the water are known as

Answer 16

water birds

Question 17

connect wings to breastbone

Answer 17

keel

Question 18

have webbed or lobed feet
water repellant feathers
oil preening

Answer 18

water birds

Question 19

birds that have long legs and walk about in the water

flamingoes, herons, storks, herons

Answer 19

wading birds

Question 20

birds that have been hunted for both food and sport are

nest on ground

large flight muscles

Answer 20

game birds

Question 21

game birds

Answer 21

quails
pheasants
doves
turkeys

Question 22

brightly colored and have large unusual beaks

Answer 22

tropical birds

Question 23

tropical birds

Answer 23

toucans
parakeets

Question 24

birds that have wings or winglike structures but cannot fly

Answer 24

flightless birds

Question 25

flightless birds

Answer 25

ostrich
emu
penguin
kiwi
cassowary

Question 26

the largest living birds

Answer 26

ostriches

Question 27

one of the most unusual flightless birds

Answer 27

kiwi

Question 28

birds that could not survive the pressures brought to bear onto them by man and civilization

Answer 28

extinct birds

Question 29

extinct birds

Answer 29

dodo
moa
auk
passenger pigeon
Archaeopteryx

Question 30

the two kinds of variety in the living creation

Answer 30

variety within kind
variety among the kinds