1) Almost extinct petrel 2) Bermuda bird 3) Bermudan petrel
Found on
https://www.crosswordclues.com/clue/cahow
(from the article `petrel`) Some of the better known gadfly petrels are the endangered Bermuda petrel, or cahow (Pterodroma cahow, sometimes considered a race of P. hasitata); ... During the early 17th-century colonization of Bermuda, millions of cahows, or Bermuda petrels (Pterodroma cahow), were exterminated by the colonists. ... [...
Found on
http://www.britannica.com/eb/a-z/c/4
No exact match found.
