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1764 [Little tern]
15
ANE
15
Marine birds
15
Sterna albifrons Pallas
15
1758 [Common tern]
10
1787 [Sandwich tern]
10
Belgium
10
Brugge
10
Collisions
10
Man-induced effects
10
Offshore structures
10
Sterna hirundo Linnaeus
10
Sterna sandvicensis Latham
10
Wind power
10
Zeebrugge Harbour
10
Ecology
5
Foraging behaviour
5
Netherlands
5
Shipping
5
Westerschelde
5