One tiny treefrog : a countdown to survival

"Deep in the tropical forest of Costa Rica, ten sticky frog eggs cling to a leaf. Only nine eggs hatch. Only eight tadpoles wind up in the water below. What will it take to survive the countdown to adulthood and begin the cycle again? This beautifully designed, color-drenched introduction to frog metamorphosis peeks at this animal's habitats and predators as it illustrates competition and natural selection. Cocreators Mackenzie Joy and Tony Piedr...