Answer:

toucans

Answer	Crossword Clue
TOUCANS	Big-beaked birds
TOUCANS	Large-billed birds
TOUCANS	Birds with long bills

TOUCANS	Fruit-eating tropical birds
TOUCANS	Ones with big food bills
TOUCANS	They have big food bills
TOUCANS	Tropical birds.
TOUCANS	Big-billed birds
TOUCANS	Tropical birds
TOUCANS	They have big bills
TOUCANS	They have substantial bills

TOUCANS	Sam the Froot Loops mascot and others
TOUCANS	Ones who can't change large bills?