Roger Powell / Small flock of Brent Geese (Branta bernicla) in flight..Texel Island, The Netherlands, Europe

Philippe Clement / Flock of Texel sheep with lambs grazing on sea dyke, Texel Island, Wadden Sea, the Netherlands, May

Philippe Clement / Texel sheep ewes with lambs in meadow, Texel Island, Wadden Sea, the Netherlands, May

Roger Powell / Black-headed gulls (Larus ridibundus) courtship on beach, Texel Island, The Netherlands. April.

Roger Powell / Black-headed gulls (Larus ridibundus) courtship, female calling to the male. Texel Island, The Netherlands.

Roger Powell / Pied avocets (Recurvirostra avosetta) copulating in the water. Oosterendl, Texel Island, The Netherlands.

Roger Powell / Sandwich terns (Sterna sandvicensis) group on rocks, Oosterend, Texel Island, The Netherlands.

Roger Powell / European hare (Lepus europaeus) running across pasture. Molwerk, Texel Island, The Netherlands.

Roger Powell / Sandwich terns (Sterna sandvicensis) flocking during migration, Oosterend, Texel Island, The Netherlands.

Roger Powell / Sandwich terns (Sterna sandvicensis) taking off in panic reaction, Oosterend, Texel Island, The Netherlands.

Roger Powell / Pied avocets (Recurvirostra avosetta) female soliciting copulation in the water. Oosterendl, Texel Island, The Netherlands.

Roger Powell / Sandwich terns (Sterna sandvicensis) taking off in a panic reaction, Oosterend, Texel Island, The Netherlands.