thys valkenburg:
Great Shearwater (Puffinus gravis) - Algarve - Portugal
thys valkenburg:
Calidris canutus - Ria Formosa - Portugal
thys valkenburg:
Charadrius morinellus
thys valkenburg:
Glareola pratincola
thys valkenburg:
Charadrius alexandrinus
thys valkenburg:
Plectrophenax nivalis
thys valkenburg:
Prunella collaris
thys valkenburg:
Plectrophenax nivalis
thys valkenburg:
Plectrophenax nivalis
thys valkenburg:
Plectrophenax nivalis
thys valkenburg:
Acrocephalus scirpaceus
thys valkenburg:
Nycticorax nycticorax
thys valkenburg:
Plectrophenax nivalis
thys valkenburg:
Melospiza melodia
thys valkenburg:
Morus bassanus
thys valkenburg:
Ursus americanus
thys valkenburg:
Morus bassanus
thys valkenburg:
Junco hyemalis
thys valkenburg:
Bombycilla garrulus
thys valkenburg:
Erithacus rubecula
thys valkenburg:
Glareola pratincola
thys valkenburg:
Lanius senator
thys valkenburg:
Lanius senator
thys valkenburg:
Agelaius phoeniceus
thys valkenburg:
Tachybaptus ruficollis
thys valkenburg:
Anthus campestris
thys valkenburg:
Ramphastos sulfuratus
thys valkenburg:
Caracara cheriway
thys valkenburg:
Buteo magnirostris
