António A Gonçalves:
Gavia immer - Mobelha Grande/Great Northern Loon (1st winter)
António A Gonçalves:
Gavia immer - Mobelha Grande/Great Northern Loon (1st winter)
António A Gonçalves:
Gavia immer - Mobelha Grande/Great Northern Loon (imat.)
António A Gonçalves:
Gavia immer - Mobelha Grande/Great Northern Loon (imat.)
António A Gonçalves:
Gavia immer - Mobelha Grande/Great Northern Loon (imat.)
António A Gonçalves:
Gavia immer - Mobelha Grande/Great Northern Loon
António A Gonçalves:
Gavia immer - Mobelha Grande/Great Northern Loon
António A Gonçalves:
Gavia immer - Mobelha Grande/Great Northern Loon (1st winter)
António A Gonçalves:
Gavia immer - Mobelha Grande/Great Northern Loon (1st winter) ll
António A Gonçalves:
Gavia immer - Mobelha Grande/Great Northern Loon (1st winter)
António A Gonçalves:
Gavia arctica - Mobelha Árctica/Black-throated Loon