Large Duck With a Green Head and Yellow Beak
Puzzle 19 of Internet Searches Pack
Question is: Large Duck With a Green Head and Yellow Beak
and the answer is: MALLARD
Word Meaning:
MALLARD — (countable) Anas platyrhynchos, a common and widespread dabbling duck, natively found throughout the Northern Hemisphere, whose male has a distinctive dark green head.
Definitions from Wiktionary.