Marine Birds

Question

Dinosaurs went extinct approximately 70 mya

Answer 1

Coelurosaur

Answer 2

Maniraptoran

Answer 3

built nests

Answer 4

sharp teeth

Answer 5

Archiopteryx

Answer 6

Velociraptor

Answer 7

Pterodactyl

Answer 8

Anchiornis

Answer 9

a reduction in body size

Answer 10

the development of feathers

Answer 11

the development of the gizzard

Answer 12

all of these answers are correct

Answer 13

karatinized beak

Answer 14

scales on legs

Answer 15

bones honeycombed

Answer 16

gizzard for grinding food

Answer 17

very small teeth

Answer 18

3-chambered heart

Answer 19

position of sun and stars

Answer 20

polarized light

Answer 21

geomagnetic field

Answer 22

geoelectrical field

Answer 23

Zugdisposition

Answer 24

Zugstimmung

Answer 25

webbed or lobed feat

Answer 26

modification of wing to use as a flipper

Answer 27

salt-permeable skin

Answer 28

salt glands in head

Answer 29

southern hemisphere

Answer 30

bones secondarily solid

Answer 31

huddling behavior

Answer 32

ppelicans, shoebills, etc.

Answer 33

fully webbed feet

Answer 34

northern hemisphere

Answer 35

pelicans, herons, shoebills, etc.

Answer 36

fully webbed feat

Answer 37

gular patch

Answer 38

dysfunctional nostril slits

Answer 39

huddling behavior

Answer 40

bones secondarily solid

Answer 41

Roseate Spoonbill

Answer 42

Family Threskiornithidae

Answer 43

feed by holding bill open in water and moving head from side to side

Answer 44

diet-derived pink coloration

Answer 45

Family Ardeidae

Answer 46

Feed by gliding and diving for food

Answer 47

Tropicbirds

Answer 48

pelagic sea birds

Answer 49

elongated tail feathers

Answer 50

white plumage

Answer 51

large bills

Answer 52

flattened spoon-shaped bill

Answer 53

diet-derived pink coloration

Answer 54

boobies, gannets, frigatebirds, etc.

Answer 55

pectinate edge to mid claw

Answer 56

elongated tail

Answer 57

Tropicbirds

Answer 58

white plumage

Answer 59

bills large

Answer 60

exclusively pelagicm cosmopolitan distribution

Answer 61

colonial nesters

Answer 62

one of the most endagered bird taxa

Answer 63

one of the most abundant bird taxa

Answer 64

boobies, gannets, frigatebirds, etc.

Answer 65

pectinate edge to mid claw

Answer 66

bill shape & modified tounge to feed by sucking in & expelling water

Answer 67

soft, fluffy, insulating feathers

Answer 68

fine filter plates, lamellae, to trap small particles to then be swollowed

Answer 69

flattened spoon-shaped bill

Answer 70

ibis and spoonbills

Answer 71

diet-derived pink coloration

Answer 72

gulls, terns, auks, jaegers/skua

Answer 73

Family Laridae (gulls, terns, and skimmers)

Answer 74

350 species, most live near water

Answer 75

exclusively pelagic, cosmopolitan distribution

Answer 76

one of most endagered bird taxa

Answer 77

colonial nesters

Answer 78

specialized beak: hooked downward with lamellae to filter feed

Answer 79

diet-induced pink coloration

Answer 80

ibis and spoonbills

Answer 81

flat beak for filter feeding

Answer 82

Pygostylia

Answer 83

Ornithoraces

Answer 84

Enantiornithines

Answer 85

Orinthurae

Answer 86

Late Jurassic

Answer 87

Early Cretaceous

Answer 88

Middle Cretaceous

Answer 89

Late Cretaceous

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Marine Birds

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	Creado por Jo O'Bar hace casi 6 años