Answer: MARSH

AnswerCrossword Clue
MARSHPlace to find cattails
MARSHSedgy stretch
MARSHCattail's locale
MARSHBittern's environment
MARSHAlligators' haunt
MARSHCattails' residence
MARSHDetective novelist Ngaio
MARSHWhooping crane's haunt
MARSHWhere cattails thrive
MARSHSoggy ground
MARSHLow wetland
MARSHEverglade
MARSHMovie monster's milieu, maybe
MARSHHaunt for herons
MARSHSwamp Thing's home
MARSHWhooping crane's home
MARSHCattail habitat
MARSHSwampy area
MARSHJean of "Upstairs, Downstairs"
MARSHMovie monster's hangout
marshtract of low, wet land
MARSHRush site
MARSHWetland
MARSHProblematic construction site
MARSHSwamp
MARSH"South Park" family
MARSHDragonfly's habitat
MARSHMoonshiner's sour mixture (or ... where reeds grow)
MARSHFen
MARSHCattail territory
MARSHHabitat for rushes
MARSHAuthor Ngaio
MARSHSoft tract
MARSHWaterlogged ground
MARSHBog
MARSHCattail setting
MARSHDetective Roderick Alleyn's creator
MARSHHeron's hangout
MARSHReed site
MARSHCattail site