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unit 9 > seabirds > Flashcards

seabirds Flashcards

1
Q

what is the study of birds

A

ornithology

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2
Q

what is homeothermic

A

creating own body heat

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3
Q

warm blooded =

A

homeothermic

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4
Q

what are bird feathers used for

A

retaining heat by insulating their bodies

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5
Q

what about birds allows them to fly

A

feathers are lightweight and they have hallow bones

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6
Q

what bird has the largest migration of any bird

A

arctic tern 71000km

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7
Q

what bird has the longest wingspan

A

albatross 3.4m

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8
Q

how many heart chambers do birds have and why

A

4 heart chambers to deliver more oxygen

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9
Q

why are the four chamber hearts use to deliver more oxygen

A

to support their active lifestyle (flight)

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10
Q

where do sea birds have salt glands and why

A

above the eyes to get rid of excess salt

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11
Q

what is bird poop called

A

guano

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12
Q

what is guano used to make

A

nitrogen rich fertilizer

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13
Q

what general characteristics do seabird have that allow them to wad in the shoreline waters

A

long thin legs

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14
Q

what general characteristics do seabirds have that allow them to drive organisms to the surface

A

by vibrating their feet and legs

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15
Q

what general characteristics do seabirds have to feed on intertidal organisms

A

thin sharp bills

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16
Q

what bird do plovers look like and why

A

pigeons, short plump bodies

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17
Q

what is so special about the wrybill

A

native to newzealand and a beak that bends to the right

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18
Q

what is special about avocets

A

very long legs and aggressive over protecting their young

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19
Q

what is special about sand pipers

A

scurry across the sand to feed on small crustacians and mulluscs that wash up when the waves recede

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20
Q

where are herons found

A

every continent

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21
Q

what are herons known for

A

having skinny legs and a long neck, catching prey larger than their bodies. great hunters

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22
Q

what kind of scavengers are gulls

A

noisy and aggressive

23
Q

what do gulls do when food is scarce

A

eat other gull eggs

24
Q

what to gulls do when they pick up molluscs

A

drop them on concrete to crack them open

25
Q

what are puffins similar to and why

A

they share the same body color and style as penguins due to convergent evolution

26
Q

what are two major differences in puffins and penguins

A

puffins can fly and live in the northern hemisphere

27
Q

how much to pelicans grow to weigh

A

24lbs

28
Q

what regions to pelicans refer

A

tropical regions

29
Q

what are gular pouches

A

throat nets for gathering food under water

30
Q

how high will pelicans go to dive into water

A

9 meters

31
Q

how high will boobies dive to catch fish

A

18-30 meters

32
Q

what is special about boobie birds

A

they are so fast and accurate they can catch flying fish while they are in the air

33
Q

where do boobie birds normally live

A

galapagos islands

34
Q

what bird has red or blue feet

A

boobie

35
Q

what is killing our brown pelican

A

pesticides

36
Q

where do all penguins live

A

southern hemisphere

37
Q

how many species of penguin are there

A

17

38
Q

what two penguins are the only ones that live in antarctica

A

emperor and adelie

39
Q

where do 14 species of penguin live

A

rocky islands around antarctica and islands off south america

40
Q

what is special about galapagos penguins

A

they are the only penguin adapted to live near the equator

41
Q

why do penguins move so swiftly in the water

A

streamlined bodies and strong flippers

42
Q

how fast can penguins swim underwater

A

15mph

43
Q

what do emperor penguins feed on

A

fish and squid

44
Q

what do adelie penguins feed on

A

krill

45
Q

why must penguins move fast

A

to avoid predators

46
Q

biggest penguin predators

A

leopard seals and killer whales

47
Q

when do emperor penguins breed

A

march

48
Q

how far do emperor penguins travel to reach breeding sites

A

70 miles

49
Q

what do male emperor penguins do to find their female

A

make loud noises lowering their chest tot heir head to make the calls

50
Q

what do male emperor penguins do once they have met the female

A

stand face to face and bow repeatedly while singing

51
Q

where do male penguins release sperm

A

the females cloaca

52
Q

why can penguin eggs never touch the ice

A

they lay their eggs in the coldest time of year so food is plentiful, so if it makes contact with the ground it will freeze and the eggs will die

53
Q

who cares for the eggs and how while the other does what - penguins

A

the males keep the eggs warm in a large huddle while the female goes hunting

54
Q

what kind of mating style do penguins have

A

monogamous for each breeding season but can pick different mates each time around

unit 9 (2 decks)

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