Martin Grimm/ BIA / Peacock Butterfly (Inachis io), Baden-Wurttemberg, Germany

Martin Grimm/ BIA / Peacock Butterfly (Inachis io), Baden-Wurttemberg, Germany

Johannes Melchers/ BIA / Dunnock (Prunella modularis) calling, Baden-Wurttemberg, Germany

Johannes Melchers/ BIA / Rose-ringed Parakeet (Psittacula krameri) male, Baden-Wurttemberg, Germany

Johannes Melchers/ BIA / Greylag Goose (Anser anser) flying, Baden-Wurttemberg, Germany

Johannes Melchers/ BIA / Common Redstart (Phoenicurus phoenicurus) male calling, Baden-Wurttemberg, Germany

Johannes Melchers/ BIA / Bearded Tit (Panurus biarmicus) male, Baden-Wurttemberg, Germany

Martin Grimm/ BIA / Common Swift (Apus apus) flying, Baden-Wurttemberg, Germany

Martin Grimm/ BIA / Bearded Tit (Panurus biarmicus) male, Baden-Wurttemberg, Germany

Mathias Schaef/ BIA / Mallard (Anas platyrhynchos) male flapping, Baden-Wurttemberg, Germany

Mathias Schaef/ BIA / Purple Heron (Ardea purpurea) flying, Baden-Wurttemberg, Germany

Mathias Schaef/ BIA / Rose-ringed Parakeet (Psittacula krameri) chick in nest cavity, Baden-Wurttemberg, Germany