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Splendid Fairy-wren (Malurus splendens splendens) calling. (Steven David Miller / NaturePL.com)

Wild Things: Mongooses, Bladderworts and More...

Fairy-wrens, wasps, and a nearly 3,000 year old big toe

Drum Beat

paper wasp
(Ed Reschke / Peter Arnold)
Two castes of paper wasps are genetically identical. Larvae turn into either workers or potential queens, depending on the behavior of adults, say University of Wisconsin scientists. If adults drum on nest walls with their antennae, the vibrations inhibit fat storage and produce workers.

Learn more about paper wasps at the Encyclopedia of Life.

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