At a location chock-full of crayfish. This freshly killed crayfish was left behind by a Ring-billed Gull that had just preyed on it.
Snail shell 4 x 6 cm. Aperture is 2.5 cm across.
Identified from the excellent book by Jacobson & Emerson (1961) Shells of the New York City Area, under the name Viviparous malleata. Also appears frequently with the genus name Bellamya.
A favorite species for Chinese cuisine in China and USA was probably source of introduction.
Now very abundant in Vischer Ferry Reserve NY and widespread in freshwater
At a location chock-full of crayfish. This freshly killed crayfish was left behind by a Ring-billed Gull that had just preyed on it.
Red-eared turtle (invasive species) plaguing southern end of Beaver Tree Pond at Five Rivers.
Sattilite rosettes at the edge of a large mat