A roar is a deep, bellowing outburst of sound forced through an open mouth. It is produced by animals of certain species. A powerful and intimidating sound, the roar is usually made through the use of the hyoid, a small bone which is not completely rigid in adults. Animals may roar for various reasons, including territorial proclamation, communication with other members, and anger.
Animals that roar
- The Great Cats
- Most Bears
- Various Crocodilians
- Elephants
- Some Bovids (notably Bison[1] and Muskox[2])
Adult males only
References
- ^ Analysis of Sonagrams of American Bison (Bison bison) H. L Gunderson & B R. Mahan, Journal of Mammalogy, Vol. 61, No. 2 (May, 1980), pp. 379-381
- ^ Arctic roars – laryngeal anatomy and vocalization of the muskox, R. Frey , A. Gebler & G. Fritsch, Leibniz Institute for Zoo and Wildlife Research (IZW), Berlin, Germany
- ^ Encounter with a Fierce Bull Moose New York Times, July 17, 1985
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