Staffan Widstrand / Black Tern (Chlidonias nigra) bringing food for its on the floating vegetation in the Nemunas Delta Nature Reserve, Lithuania.

Staffan Widstrand / Mallard Duck (Anas platyrhynchos)at sunrise in the Nemunas Delta Nature Reserve, Lithuania.

Staffan Widstrand / Mallard Duck (Anas platyrhynchos) at sunrise in the Nemunas Delta Nature Reserve, Lithuania.

Staffan Widstrand / Great Crested Grebe (Podiceps cristatus) Nemunas Delta Nature Reserve, Lithuania.

Staffan Widstrand / Phographer Oscar Dominguez in water with floating hide in the Nemunas Delta Nature Reserve, Lithuania.

Staffan Widstrand / Floating Hide for photography in the Nemunas Delta Nature Reserve, Lithuania.

Staffan Widstrand / Photographer Katja Ronkainen in water with floating hide, Nemunas Delta Nature Reserve, Lithuania.

Staffan Widstrand / White-tailed eagle (Haliaeetus albicilla) Nemunas Delta Nature Reserve, Lithuania.

Staffan Widstrand / Roe deer buck (Capreolus capreolus) in a flowering meadow, Nemunas Delta Nature Reserve, Lithuania.

Staffan Widstrand / Floating hide with camera lens visible, for photography in the Nemunas Delta Nature Reserve, Lithuania.

Staffan Widstrand / Great Crested Grebe (Podiceps cristatus) adult and juveniles in the Nemunas Delta Nature Reserve, Lithuania.

Staffan Widstrand / Great white heron / egret (Ardea / Egretta alba) taking off, Nemunas Delta Nature Reserve, Lithuania.