European colour ring birding hi-res stock photography and images - Alamy
Kane Brides on Twitter: "A few more colour-ringed Black-headed gulls added to our #NWBHGs study today. Over 60 rings read of birds previously ringed in Cumbria, now back from their Scandinavian/European breeding
The next parakeet': Britain's dawn chorus at risk from Asian songbird | Birds | The Guardian