In anatomy, the tomium is the sharp cutting edge of the beak^[1][2] of a bird^[3] or the bill of a turtle.^[4][5] Sometimes the edge is serrated for tearing through flesh or vegetation.^[6][7]

1. ^ Luescher, Andrew (2008-01-09). Manual of Parrot Behavior. John Wiley & Sons. ISBN 978-0-470-34435-4.
2. ^ Research & Exploration: A Scholarly Publication of the National Geographic Society. National Geographic Society. 1993.
3. ^ Agriculture Handbook. U.S. Department of Agriculture. 1972.
4. ^ Carr, Archie (2018-10-18). Handbook of Turtles: The Turtles of the United States, Canada, and Baja California. Cornell University Press. ISBN 978-1-5017-2247-9.
5. ^ Savage, Jay M. (2002). The Amphibians and Reptiles of Costa Rica: A Herpetofauna Between Two Continents, Between Two Seas. University of Chicago Press. ISBN 978-0-226-73537-5.
6. ^ Long, John A.; Schouten, Peter (2008). Feathered Dinosaurs: The Origin of Birds. Oxford University Press. ISBN 978-0-19-537266-3.
7. ^ Luescher, Andrew (2008-01-09). Manual of Parrot Behavior. John Wiley & Sons. ISBN 978-0-470-34435-4.

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