Chris Gomersall / 2020VISION / Adult male Grey partridge (Perdix perdix) in winter wheat crop, Hope Farm RSPB reserve, Cambridgeshire, England, UK, April

Chris Gomersall / 2020VISION / Adult male Grey partridge (Perdix perdix) in winter wheat crop, Hope Farm RSPB reserve, Cambridgeshire, England, UK, April

Chris Gomersall / 2020VISION / Adult male Grey partridge (Perdix perdix) in winter wheat crop, Hope Farm RSPB reserve, Cambridgeshire, England, UK, April

Chris Gomersall / 2020VISION / Grey partridge (Perdix perdix) standing in a field of Winter wheat (Triticum), Norfolk, England, UK, May

Chris Gomersall / 2020VISION / Grey partridge (Perdix perdix) standing in a field of Winter wheat (Triticum), Norfolk, England, UK, May

Chris Gomersall / 2020VISION / Grey partridge (Perdix perdix) standing in a field of Winter wheat (Triticum), calling, Norfolk, England, UK, May

David Tipling / 2020VISION / Grey Partridge (Perdix perdix) with head stretched upwards in an alert posture, on a bare field, Norfolk, England, UK, April

David Tipling / 2020VISION / Grey Partridge (Perdix perdix) churring on a bare field, Norfolk, England, UK, April

Laurie Campbell / Grey partridge (Perdix perdix) chick, Morayshire, Scotland, June

Donald M. Jones / European Partridge (Perdix perdix) in snow, National Bison Range, Moise, Montana

Donald M. Jones / European Partridge (Perdix perdix) in snow, National Bison Range, Moise, Montana

Andy Sands / Grey Partridge (Perdix perdix) on grass. Upper Teesdale, Co Durham, England, June.