Heidi & Hans-Juergen Koch / British Bombay (Felis catus) cat licking chops, Bielefeld, North Rhine-Westphalia, Germany

Ralf Kistowski/ BIA / Sand Martin (Riparia riparia) at nest cavity, North Rhine-Westphalia, Germany

Hans Glader/ BIA / Sand Martin (Riparia riparia) at nest cavity, North Rhine-Westphalia, Germany

Hans Glader/ BIA / Black Woodpecker (Dryocopus martius) mother at nest cavity with chick, North Rhine-Westphalia, Germany

Ralf Kistowski/ BIA / Ring-necked Pheasant (Phasianus colchicus) male, North Rhine-Westphalia, Germany

Hans Glader/ BIA / White-fronted Goose (Anser albifrons) flock flying, North Rhine-Westphalia, Germany

Holger Doernhoff/ BIA / Black Swan (Cygnus atratus), North Rhine-Westphalia, Germany

Kevin Winterhoff/ BIA / Little Ringed Plover (Charadrius dubius) parent removing egg shell from nest, North Rhine-Westphalia, Germany

Dirk Vorbusch/ BIA / Eurasian Eagle-Owl (Bubo bubo), North Rhine-Westphalia, Germany

Ralf Kistowski/ BIA / Great Crested Grebe (Podiceps cristatus) pair fighting over territory, North Rhine-Westphalia, Germany

Ralf Kistowski/ BIA / Eurasian Badger (Meles meles), North Rhine-Westphalia, Germany

Ralf Kistowski/ BIA / Little Owl (Athene noctua) chick in nest cavity, North Rhine-Westphalia, Germany