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
what are puffins similar to and why
they share the same body color and style as penguins due to convergent evolution
26
what are two major differences in puffins and penguins
puffins can fly and live in the northern hemisphere
27
how much to pelicans grow to weigh
24lbs
28
what regions to pelicans refer
tropical regions
29
what are gular pouches
throat nets for gathering food under water
30
how high will pelicans go to dive into water
9 meters
31
how high will boobies dive to catch fish
18-30 meters
32
what is special about boobie birds
they are so fast and accurate they can catch flying fish while they are in the air
33
where do boobie birds normally live
galapagos islands
34
what bird has red or blue feet
boobie
35
what is killing our brown pelican
pesticides
36
where do all penguins live
southern hemisphere
37
how many species of penguin are there
17
38
what two penguins are the only ones that live in antarctica
emperor and adelie
39
where do 14 species of penguin live
rocky islands around antarctica and islands off south america
40
what is special about galapagos penguins
they are the only penguin adapted to live near the equator
41
why do penguins move so swiftly in the water
streamlined bodies and strong flippers
42
how fast can penguins swim underwater
15mph
43
what do emperor penguins feed on
fish and squid
44
what do adelie penguins feed on
krill
45
why must penguins move fast
to avoid predators
46
biggest penguin predators
leopard seals and killer whales
47
when do emperor penguins breed
march
48
how far do emperor penguins travel to reach breeding sites
70 miles
49
what do male emperor penguins do to find their female
make loud noises lowering their chest tot heir head to make the calls
50
what do male emperor penguins do once they have met the female
stand face to face and bow repeatedly while singing
51
where do male penguins release sperm
the females cloaca
52
why can penguin eggs never touch the ice
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
who cares for the eggs and how while the other does what - penguins
the males keep the eggs warm in a large huddle while the female goes hunting
54
what kind of mating style do penguins have
monogamous for each breeding season but can pick different mates each time around