Three species of sucking lice can be found on cattle in Missouri. The longnosed cattle louse is generally a pest of young cattle and is about 1/10 inch long. The shortnosed cattle louse is about 1/16 inch long and is more often a pest of older cattle. The little blue louse is about 1/16 inch long.
A common length of the esophagus of a giraffe is about 40 inches. That compares to about 8 to 10 inches in a human being.
This noisy, smelly, squishy system includes the esophagus, a 10 inch-long tube; the stomach, a fist-size bag of muscle; 20 feet of small intestine; and 6 feet of large intestine (aka the colon).