Best photos of the month, May 2019.

Common Shelduck | Vadim Ivushkin | 26

Alpine Swift | Anna Golubeva | 24

Northern Hazelhen | Anton Mironenko-Marenkov | 24

Collared Pratincole | Svetlana Medvedeva | 23

Black-Necked Grebe | Anna Golubeva | 22

Woodchat Shrike | Anna Golubeva | 21

European Bee-eater | Anna Golubeva | 21

Common Teal | Anna Golubeva | 21

Eversmann's Redstart | Denis Zhbir | 21

Bearded Tit | Anna Golubeva | 20

Barred Warbler | Anna Golubeva | 20

Terek Sandpiper | Vyacheslav Zametnya | 20

Barred Warbler | Vyacheslav Zametnya | 20

Common Redpoll | Ruslan Kirillin | 20

Little Bustard | Anna Golubeva | 19

Northern Wren | Dmitriy Shevtsov | 19

Barred Warbler | Victor Moiseikin | 19

Corncrake | Elena Shvydun | 19

European Bee-eater | Vladimir Maer | 19

Great Snipe | Vyacheslav Zametnya | 19

Blue-cheeked Bee-eater | Anna Golubeva | 18

Common Cuckoo | Anna Golubeva | 18

Sedge Warbler | Elena Shvydun | 18

Black-headed Bunting | Anna Golubeva | 17

Black-crowned Night Heron | Anna Golubeva | 17

Black-headed Wagtail | Anna Golubeva | 17

Red-backed Shrike | Anna Golubeva | 17

Lesser Whitethroat | Dmitriy Shevtsov | 17

Gadwall | Maxim Lanin | 17

Northern Shoveler | Maxim Lanin | 17

Great Reed Warbler | Maxim Lanin | 17

Woodchat Shrike | Victor Moiseikin | 17

European Bee-eater | Svetlana Medvedeva | 17

Black-tailed Godwit | Vyacheslav Zametnya | 17

Terek Sandpiper | Anna Golubeva | 16

Rosy Starling | Dmitriy Shevtsov | 16

Squacco Heron | Svetlana Medvedeva | 16

Fieldfare | Dmitrij Andreev | 16

Common Snipe | Konstantin Samodurow | 16

Eversmann's Redstart | Denis Zhbir | 16

European Bee-eater | Vladimir Maer | 16

Cinereous Vulture | Anna Golubeva | 15

Thrush Nightingale | Anna Golubeva | 15

Black-winged Pratincole | Anna Golubeva | 15

Booted Warbler | Anna Golubeva | 15

Rock Bunting | Khasan Zhurtov | 15

Caucasian Grouse | Khasan Zhurtov | 15

Osprey | Igor Dvurekov | 15

European Bee-eater | Svetlana Medvedeva | 15

Little Grebe | Svetlana Medvedeva | 15

Corncrake | Valerij Yasinsky | 15

Great Reed Warbler | Elena Shvydun | 15

European Bee-eater | Vladimir Maer | 15

Demoiselle Crane | Vadim Ivushkin | 15

Siberian Tit | Denis Zhbir | 15

Common Cuckoo | Vera Shvetsova | 15

Blyth's Reed Warbler | Anna Golubeva | 14

Red-breasted Flycatcher | Anna Golubeva | 14

Blyth's Reed Warbler | Anna Golubeva | 14

Marsh Sandpiper | Anna Golubeva | 14

Gadwall | Anna Golubeva | 14

Black Redstart | Yuriy Redkin | 14

Great Snipe | Vyacheslav Zametnya | 14

Icterine Warbler | Leonid Shurov | 14

Pallas's Gull | Grigory Khasanov | 14

Common Whitethroat | Elena Shvydun | 14

Common Rosefinch | Elena Shvydun | 14

Corncrake | Dmitry Porshnev | 14

Eurasian Redstart | Denis Zhbir | 14

Common Snipe | Konstantin Samodurow | 14

Crested Lark | Anna Golubeva | 13

Wood Warbler | Anna Golubeva | 13

Common Rosefinch | Anna Golubeva | 13

Hoopoe | Anna Golubeva | 13

Moustached Warbler | Anna Golubeva | 13

European Golden Oriole | Anna Golubeva | 13

Blue Rock Thrush | Gennady Kolotin | 13

Common Stonechat | Dmitriy Shevtsov | 13

Rock Bunting | Dmitriy Shevtsov | 13

Eurasian Penduline Tit | Andrei Kiselev | 13

Little Bittern | Svetlana Medvedeva | 13

Garganey | Andrey Chernykh | 13

Eurasian Wigeon | Vera Shvetsova | 13

Red-flanked Bluetail | Aleksey Bolshakov | 13

Hybrid Wagtail | Denis Zhbir | 13

Yellow Bunting | Tamara Pryadun | 12

Yellow Wagtail | Anna Golubeva | 12

Wood Lark | Anna Golubeva | 12

Pygmy Cormorant | Anna Golubeva | 12

Dalmatian Pelican | Anna Golubeva | 12

Black Tern | Anna Golubeva | 12

White Stork | Anna Golubeva | 12

Eurasian Spoonbill | Anna Golubeva | 12

Black-winged Stilt | Anna Golubeva | 12

Black-eared Wheatear | Anna Golubeva | 12

Little Ringed Plover | Dmitriy Shevtsov | 12

Northern Wheatear | Dmitriy Shevtsov | 12

Tawny Owl | Vyacheslav Yusupov | 12

Oriental Cuckoo | Valery Shokhrin | 12

Northern Shoveler | Maxim Lanin | 12

Eurasian Spoonbill | Maxim Lanin | 12

Wood Warbler | Dmitry Khrushchev | 12

Little Stint | Svetlana Medvedeva | 12

Northern Lapwing | Vyacheslav Zametnya | 12

Pallid Harrier | Natalya Ostapova | 12

Meadow Bunting | Vadim Ivushkin | 12

Naumann's Thrush | Vadim Ivushkin | 12

Northern Shoveler | Mihail Ivanov | 12

Eastern Imperial Eagle | Denis Zhbir | 12