Abstract
Pelicans are large water birds with a giant throat pouch designed for storing fish catches. This feature makes pelicans unique compared to all other birds (Burton, M and R. 1977. Inside the World Animal World Quadrangle). The pelican's famous footlong bill, the longest of any living bird, can hold a hundred or more fish (Scott, J. 1975. That Wonderful Pelican Putnam). The volume of its full bill is up to 11.4 liters, (3 gallons), a size larger than that of most entire birds (Fitzgerald, D. B. 2010. A Critical Evaluation of Origin of Species. TEACH Services, Inc. p. 35). It has a specially designed bone and muscle system it uses to operate its beak and pouch. The pouch normally folds conveniently under its bill, but expands when fishing. These versatile fishermen can scoop up fish with their bills and can store them in their pouch, which can stretch many times their original size.