I cannot begin tell you how excited my children will be to learn that scientists think* giant pterosaurs may have breathed in a similar way to crocodilians when they get home from school today. Read Brian Switek’s explanation of the newest research at National Geographic Phenomena.
*Geist, N. R., Hillenius, W. J., Frey, E., Jones, T. D. and Elgin, R. A. (2014), Breathing in a box: Constraints on lung ventilation in giant pterosaurs. Anat Rec, 297: 2233–2253. doi: 10.1002/ar.22839