Answer: bittern

AnswerCrossword Clue
BITTERN

Wading bird

BITTERN

Marsh heron

BITTERN

Heron relative

BITTERN
Small heron.
BITTERN
Nocturnal swamp bird.
BITTERNBird that emits a booming noise.
BITTERNHeron.
BITTERNWading bird.
BITTERNBog bird
BITTERNBrown heron
BITTERNBird sometimes called a stake driver
BITTERNSwamp bird
BITTERNAnother marsh bird