Best photos of the month, May 2017.

Isabelline Wheatear | Oksana Raldugina | 5

Collared Pratincole | Oksana Raldugina | 5

Eurasian Penduline Tit | Oksana Raldugina | 4

Isabelline Wheatear | Oksana Raldugina | 4

Common Cuckoo | Oksana Raldugina | 3

White-winged Tern | Viacheslav Kaistro | 3

Garganey | Viacheslav Kaistro | 3

Black-headed Bunting | Viacheslav Kaistro | 3

Lesser Grey Shrike | Viacheslav Kaistro | 3

Little Bittern | Uri Muhin | 3

Black-headed Bunting | Oksana Raldugina | 3

Eurasian Hobby | Viacheslav Kaistro | 3

Black-headed Bunting | Viacheslav Kaistro | 3

European Serin | Viktor Sevidov | 3

River Warbler | Ivan Lavrenchuk | 3

Common Cuckoo | Oksana Raldugina | 3

Common Cuckoo | Oksana Raldugina | 3

Pied Wheatear | Uri Muhin | 3