Answer: dolphins

AnswerCrossword Clue
DOLPHINS

Swimmers with blowholes

DOLPHINS

They entertain people on cruises.

DOLPHINS

Intelligent sea mammals.

DOLPHINS
Brainy mammals.
DOLPHINS
Miami eleven
DOLPHINSMiami team
DOLPHINSActor Lundgren + Elected officials
DOLPHINSOnly N.F.L. team with a perfect season (1972)