Twenty-four infant chorus frogs, still a bit wobbly on their legs, were introduced to the clear shoreline water of Mountain Lake in the Presidio this week as biologists took another step toward ...

The secret to the embryos’ quick-escape lies in their hatching glands — special glands, which release an enzyme that dissolves the egg membrane. In many frogs, hatching glands are loosely scattered on ...

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Marlowe Robertson-Billet carefully scooped three-inch tadpoles from a fish tank into plastic bags, then quickly piped in pure oxygen from a steel tank. Along with a team of zookeepers and biologists ...

Forbes contributors publish independent expert analyses and insights. I write about biodiversity and the hidden quirks of the natural world. Anglerfish are some of the most bizarre and fearsome ...

Marlowe Robertson-Billet carefully scooped three-inch tadpoles from a fish tank into plastic bags, then quickly piped in pure oxygen from a steel tank. Along with a team of zookeepers and biologists ...