Answer:

pelican

Answer	Crossword Clue
PELICAN	It has a big pouch
PELICAN	Prominent feature of Louisiana's state flag
PELICAN	Piscivorous flier

PELICAN	It stores fish in a pouch
PELICAN	Louisiana state bird
PELICAN	It might present you with a big bill
PELICAN	A symbol of Louisiana
PELICAN	Bird that Alcatraz was named for
PELICAN	Big-billed bird
PELICAN	Big-billed sea bird
PELICAN	Avian bigmouth