GREY CATBIRD Dumetella carolinensis A.
Vagrant; rare – from North America.
1 accepted record:
2 British records: https://www.historicalrarebirds.info/u20/grey-catbird
1). 2001, 4th October – 5th: South Stack – 1. (British Birds 95 p505, 97 p630-32). The bird was elusive after its first day.