The three Curlew Sandpipers at Ogmore show large variation in colour from rusty to colourless – the more advanced juv/1st winter is quite frosty looking whilst the less advanced juveniles are warmly coloured – all three are in fresh plumage.
The three Curlew Sandpipers at Ogmore show large variation in colour from rusty to colourless – the more advanced juv/1st winter is quite frosty looking whilst the less advanced juveniles are warmly coloured – all three are in fresh plumage.
Glamorgan Bird Club 
Many thanks to PB for pointing this out