BLUEBIRD

American songbird (once flying over the White Cliffs of Dover?) (8)

Solution has appeared in 2 crosswords (1 across and 1 down):

• Quick crossword No 16,296 — 2022-07-29 23:00:08
  13D: North American songbird (seen over the White Cliffs of Dover?) (8)
• Quick crossword No 15,481 — 2019-12-19 00:00:33
  16A: American songbird (once flying over the White Cliffs of Dover?) (8)