Hannu Tervonen:
Kalatiira ja poikanen - Common Tern and juvenile - Sterna hirundo 737
Hannu Tervonen:
Kalatiira - Common Tern - Sterna hirundo _444
Hannu Tervonen:
Arctic Tern _43
Hannu Tervonen:
Arctic Tern _39
Hannu Tervonen:
Common Tern _0681
Hannu Tervonen:
Common Tern _651
Hannu Tervonen:
Common Tern _2585_513
Hannu Tervonen:
Common Tern _7379
Hannu Tervonen:
Common Tern _0797
Hannu Tervonen:
Caspian Tern _2057
Hannu Tervonen:
In the morning light _2013
Hannu Tervonen:
Common Tern _2926
Hannu Tervonen:
Common Tern _3116
Hannu Tervonen:
Common Tern _4153
Hannu Tervonen:
Common Tern _4697
Hannu Tervonen:
Common Tern _5124
Hannu Tervonen:
Common Tern _5407
Hannu Tervonen:
Common Tern _1172
Hannu Tervonen:
Common Tern _2060
Hannu Tervonen:
Common Tern _3003
Hannu Tervonen:
Common Tern _7651
Hannu Tervonen:
Common Tern _0838