Frogspawn. Macrophotograph of the frogspawn of the wood frog (Rana sylvatica). This frog breeds in spring and can develop from an egg to a tiny frog in less than two months. It may be two years before full adult size is attained. While in the tadpole stage, the frog feeds primarily on plant matter, but as an adult it hunts insects and other small invertebrates. This frog lives throughout North America. In more northern regions it freezes during the winter, spending this time under logs and rocks. In the spring it defrosts with no adverse effects. Magnification unknown.
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