The enzymes that act inside the small intestine are amylase, protease, and lipase. Amylase acts on starch and breaks it down into small carbohydrate molecules. Protease acts on proteins and breaks them down into amino acids. Lipase breaks down dietary fats into smaller molecules called fatty acids and glycerol.
Sandhill Cranes mate for life, choosing their partners based on dancing displays. Displaying birds stretch their wings, pump their heads, bow, and leap into the air. Although each female usually lays two eggs, only one nestling typically survives to fledge.
Sandhill Cranes (Grus canadensis) Species Specifics Cranes are large, long-legged and long-necked birds of the order Gruiformes, and family Gruidae. There are 15 species of cranes in the world, but only two are found in North Americaâthe Sandhill crane and the whooping crane. The whooping crane is essentially all white and is slightly larger