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Japan
hokkaido
Hokkaido
函館湾
Birds of 函館湾
3species
Black-tailed Gull
Black-tailed Gull /
Larus crassirostris
Records
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12
Great Crested Grebe
Great Crested Grebe /
Podiceps cristatus
Records
1
2
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12
Slaty-backed Gull
Slaty-backed Gull /
Larus schistisagus
Records
1
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3
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5
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12
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