BRIDLED TERN Onychoprion anaethetus A.
Vagrant; rare - from Central Atlantic Ocean or Rea Sea.
1 accepted record.
26 accepted British records with 6 pending: https://www.historicalrarebirds.info/u20/bridled-tern
1). 1988, 1st July – 23rd: Cemlyn – 1, photographed. (British Birds 82 p531).