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ANTARCTICA
CONTINENT >
10
GEOGRAPHIC REGION >
10
POLAR
10
biota
10
ANIMALS/VERTEBRATES
9
MAMMALS
9
BIOLOGICAL CLASSIFICATION
8
EARTH SCIENCE
8
SOUTHERN OCEAN
8
oceans
8
FIELD SURVEYS
6
SEALS/SEA LIONS/WALRUSES
6
VESTFOLD HILLS
6
AMD
5
AMD/AU
5
CARNIVORES
5
CEOS
5
OCEAN >
5
EARTH SCIENCE >
4
YEAR
4
CALL DURATION
3
CALL NUMBER
3
CALL SHAPE
3
CALL TYPE
3
CASSETTE
3
CENSUS OF MARINE LIFE
3
COML >
3
DATE
3
DURATION BETWEEN SEQUENTIAL CALLS
3
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Antarc*
10
Antarctica
Southern Ocean
Weddell Seals
Weddell Seal
9
Antarctic
7
Elephant Seals
6
walrus*
6
Leptonychotes weddelli
4
Macquarie Island
3
McMurdo Sound
3
Windmill Islands
3
Elephant Seal
2
Mirounga leonina
2
Sea ice
2
Southern Elephant Seals
2
Australian Antarctic Division
1
Emperor penguins
1
Giant Petrels
1
Heard Island
1
Southern Elephant Seal
1
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