The adult Little Blue Heron is a slender, medium sized Heron of bluish color with possibly brownish neck, dull olive green legs, and a thick tapered pale bluish bill with a black tip. The immature Little Blue Heron is all white with olive green legs, and a pale blue bill with a black tip. It has a range of the eastern United States to Peru and Argentina. It has a habitat of marshes, swamps, rice fields, ponds, and shores. Its diet is mainly small fish and crustaceans. It is slow and methodical in foraging in shallow water, on shore, or grassy fields.