Xantus Hummingbird Species. Xantus Hummingbird is a medium-sized hummingbird that can only be found in Baja, California. The bird is deemed to be the most distinctive among the few Baja specialty birds. It grows to a length of 3-3.5 inches, and weighs about 3-4 grams upon maturity. It was named after a Hungarian zoologist, John Xantus de Vesey.
The nasal septum, the division between the left and right airways of the nose, is made of three structures: the vomer bone, perpendicular plate of ethmoid bone, and its cartilage.
Structure of the Respiratory System. The nose consists of the visible external nose and the internal nasal cavity. The nasal septum divides the nasal cavity into right and left sides. Air enters two openings, the external nares (nostrils; singular, naris), and passes into the vestibule and through passages called meatuses.