1) Ancestor of the canary 2) Bird in the finch family 3) Canary cousin 4) Canary kin 5) Canary look-alike 6) Canary relative 7) Canary s cousin 8) Certain yellow finch 9) Cousin of a towhee 10) Cousin of the canary 11) European finch 12) European finish 13) Finch 14) Finch european 15) Green finch 16) Greenish finch Found on https://www.crosswordclues.com/clue/serin
Ser'in noun [ French serin .] (Zoology) A European finch ( Serinus hortulanus ) closely related to the canary. Found on http://www.encyclo.co.uk/webster/S/72