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

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

"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"

"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) in flight with fish in its beak, silhouette, 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"

"Common Ringed Plover or Ringed Plover (Charadrius hiaticula), chick, East Frisian Islands, East Frisia, 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"

"Common Gull or Mew Gull (Larus canus), chick or young bird, East Frisian Islands, East Frisia, Lower Saxony, Germany, Europe"

"Little Tern (Sternula albifrons), species internal aggression against a foreign chick, typical behavior of terns, Minsener Oog, East Frisian Islands, Lower Saxony Wadden Sea National Park, Lower Saxony, Germany, Europe"

"Little Tern (Sterna albifrons), chick flapping its wings, East Frisian Islands, East Frisia, Lower Saxony, Germany, Europe"