Neponset River Watershed Association: Black-and-white eggs = Wood frog eggs
Neponset River Watershed Association: Wood frog eggs, Canton, April 9, 2013.
Neponset River Watershed Association: Wood frog eggs, with algae, and two caddisfly cases
Neponset River Watershed Association: Wood frog eggs, with algae
Neponset River Watershed Association: Insect floats above Wood frog eggs colonized by algae.
Neponset River Watershed Association: Potentially - salamander eggcases