Appendix A. Spotted salamander (Ambystoma maculatum), wood frog (Rana sylvatica), and American toad (Bufo americanus) adults and egg clutches, showing differences in clutch structure.
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Spotted salamander (Ambystoma maculatum), wood frog (Rana sylvatica), and American toad (Bufo americanus) adults and egg clutches, showing differences in clutch structure.
创建时间：
2016-08-05
