"Common Tern (Sterna hirundo), in flight, East Frisian Islands, East Frisia, Lower Saxony, Germany, Europe"

"Common Tern (Sterna hirundo), juvenile, in a biotope, East Frisian Islands, East Frisia, Lower Saxony, Germany, Europe"

"Common Tern (Sterna hirundo), juvenile, in a biotope, East Frisian Islands, East Frisia, Lower Saxony, Germany, Europe"

"Two Arctic Terns (Sterna paradisaea), East Frisian Islands, East Frisia, Lower Saxony, Germany, Europe"

"Common Tern (Sterna hirundo) feeding juvenile bird with fish, East Frisian Islands, East Frisia, Lower Saxony, Germany, Europe"

"Common Tern (Sterna hirundo), chicks and eggs, in a biotope, East Frisian Islands, East Frisia, Lower Saxony, Germany, Europe"

"Little Tern (Sternula albifrons), chick hatching, Minsener Oog, East Frisian Islands, Lower Saxony Wadden Sea National Park, Lower Saxony, Germany, Europe"

"Common Tern (Sterna hirundo) hunting, Minsener Oog island, East Frisian Islands, Lower Saxony Wadden Sea, Lower Saxony, Germany, Europe"

"Little Tern (Sternula albifrons), courtship with feeding in flight, Minsener Oog, East Frisian Islands, Lower Saxony Wadden Sea National Park, Lower Saxony, Germany, Europe"

"Little Tern (Sternula albifrons), courtship with fish, offering copulation by the female, Minsener Oog, East Frisian Islands, Lower Saxony Wadden Sea National Park, Lower Saxony, Germany, Europe"

"Common Tern (Sterna hirundo) with prey, flying past the sun, Minsener Oog, East Frisian Islands, Lower Saxony Wadden Sea National Park, Lower Saxony, Germany, Europe"

"Common Tern (Sterna hirundo), hovering flight in the evening light, Minsener Oog, East Frisian Islands, Lower Saxony Wadden Sea National Park, Lower Saxony, Germany, Europe"

"Little Tern (Sterna albifrons), copula, apparent mating, East Frisian Islands, East Frisia, Lower Saxony, Germany, Europe"