Hannu Tervonen:
Kuikka - Black-throated Diver - Gavia arctica 3966
Hannu Tervonen:
Kuikka - Black-throated Diver _0210
Hannu Tervonen:
Black-throated Diver _0842
Hannu Tervonen:
Black-throated Diver _0923
Hannu Tervonen:
Black-throated Diver _0852
Hannu Tervonen:
Black-throated Diver _2379
Hannu Tervonen:
Black-throated Diver _9772