Answer: catbird

AnswerCrossword Clue
CATBIRD

One who's sitting pretty

CATBIRD

One with a great seat, supposedly

CATBIRD

Familiar feathered friend.

CATBIRD
Winged mewer
CATBIRD
... seat (enviable position)
CATBIRD... seat
CATBIRDKind of seat
CATBIRDType of seat
CATBIRD.... seat: advantageous spot
CATBIRDSource of overhead mews