linnet
noun
lin·net ˈli-nət 
: a common small brownish Old World finch (Acanthis cannabina) of which the male has red on the breast and crown during breeding season
Example Sentences
Recent Examples on the Web Sparrows, chaffinches, linnets, and several coastal African birds arrived to the island in 1863. 
National Geographic, 8 May 2017
National Geographic, 8 May 2017 Word History
Etymology
Middle French linette, from lin flax, from Latin linum; from its feeding on flax seeds
First Known Use
circa 1530, in the meaning defined above