Best photos of the month, May 2017.

Northern Black Grouse | Galina Katanova | 8

Corncrake | Evgeniy Sofronov | 7

Willow Warbler | Andrei Kiselev | 6

Ortolan Bunting | Evgeniy Sofronov | 6

Common Kingfisher | Evgeniy Sofronov | 6

Corncrake | Evgeniy Sofronov | 6

Menetries Warbler | Alexander Yakovlev | 5

Ring Ouzel | Anna Golubeva | 5

Eurasian Honey-Buzzard | Anna Golubeva | 5

Spotted Flycatcher | Igor Shcherbakov | 5

Rufous-tailed Rock Thrush | Alexander Yakovlev | 4

Hybrid (Red-head x Black-head) Bunting | Anna Golubeva | 4

Song Thrush | Ekaterina Zvereva | 4

Long-eared Owl | Andrei Kiselev | 4

Pied Flycatcher | Dmitry Pozharsky | 4

Bluethroat | Dmitry Pozharsky | 4

Citrine Wagtail | Dmitry Khrushchev | 4

Red-footed Falcon | Andrey Semenov | 4

Northern Black Grouse | Galina Katanova | 4