Conifer-Dwelling Finch With Distinctive Beak
Puzzle 12 of Famous Women in Science Hard Pack
Question is: Conifer-Dwelling Finch With Distinctive Beak
and the answer is: CROSSBILL
Word Meaning:
CROSSBILL — Any of various finches of the genus Loxia, whose bill crosses over at the tips; they are specialist feeders on conifer cones.
Definitions from Wiktionary.