Answer:

wrens

Answer	Crossword Clue
WRENS	Birds with effervescent voices
WRENS	Images on the backs of South Carolina quarters
WRENS	Members of the genus Troglodytes

WRENS	Small songbirds
WRENS	Birds in many birdhouses
WRENS	Arizona state birds
WRENS	Small songsters
WRENS	Birdhouse dwellers
WRENS	Melodious singers
WRENS	Songbirds
WRENS	Brown songbirds

WRENS	British servicewomen