CHELYDRA SERPENTINA (Snapping Turtle).

The article describes an unusual defensive behavior observed in a male Chelydra serpentina at Marsh-Billings-Rockefeller National Historic Park, where the turtle exhibited projectile vomiting of frog eggs when disturbed. Topics discussed include the typical defensive behaviors of C. serpentina, the unexpected vomiting response, and possible reasons for the regurgitation of eggs, including recent consumption or ingestion at another location.