National Geographic Daily News

Bowerbird, Australia

Photograph by Tim Laman, National Geographic

The gunk on the beak of this satin bowerbird (Ptilonorhynchus violaceus minor) is plant matter, which he mashed up to paint his bower's inner sanctum in a rain forest in Queensland, Australia. The pulp adds a hint of color and perhaps flavor: Females sometimes take a taste during the male's display.

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