Herman Bouman:
Cretzschmar's Bunting / Emberiza caesia / Bruinkeelortolaan
Herman Bouman:
Cretzschmar's Bunting / Emberiza caesia / Bruinkeelortolaan
Herman Bouman:
Bee-eater / Merops apiaster / Bijeneter
Herman Bouman:
Yellow-browed Warbler / Phylloscopus inornatus / Bladkoning
Herman Bouman:
Lapland Longspur / Calcarius lapponicus / IJsgors
Herman Bouman:
Lapland Longspur / Calcarius lapponicus / IJsgors
Herman Bouman:
Lapland Longspur / Calcarius lapponicus / IJsgors
Herman Bouman:
Lapland Longspur / Calcarius lapponicus / IJsgors
Herman Bouman:
Yellow-browed Warbler / Phylloscopus inornatus / Bladkoning
Herman Bouman:
Arctic Warbler / Phylloscopus borealis / Noordse boszanger
Herman Bouman:
Arctic Warbler / Phylloscopus borealis / Noordse boszanger
Herman Bouman:
Arctic Warbler / Phylloscopus borealis / Noordse boszanger
Herman Bouman:
Long-legged Buzzard / Buteo rufinus / Arendbuizerd
Herman Bouman:
Radde's warbler / Phylloscopus schwarzi / Raddes boszanger
Herman Bouman:
Radde's warbler / Phylloscopus schwarzi / Raddes boszanger
Herman Bouman:
Radde's warbler / Phylloscopus schwarzi / Raddes boszanger
Herman Bouman:
Radde's warbler / Phylloscopus schwarzi / Raddes boszanger
Herman Bouman:
Radde's warbler / Phylloscopus schwarzi / Raddes boszanger
Herman Bouman:
Daurian Shrike / Lanius isabellinus / Daurische klauwier
Herman Bouman:
Phylloscopus plumbeitarsus / Two-barred Warbler / Swinhoes Boszanger
Herman Bouman:
Phylloscopus plumbeitarsus / Two-barred Warbler / Swinhoes Boszanger
Herman Bouman:
Northern Hawk-Owl / Surnia ulula / Sperweruil
Herman Bouman:
Northern Hawk-Owl / Surnia ulula / Sperweruil
Herman Bouman:
Northern Hawk-Owl / Surnia ulula / Sperweruil