It has been suggested some frogs and even spiders are using stars for orientation.

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Case also described how, as a child, she spent half her formative years accompanying her archaeologist father on digs, and how that translated to the nature imagery prevalent on Middle Cyclone: Robins, frogs and crickets even make appearances.

NPR: Neko Case: A Natural Force

At Corcovado you can find tapirs, jaguars, pumas, anteaters, two-toed and three-toed sloths, golden orb spiders, moon crabs, a diversification of monkeys (including all four types of Costa Rican monkeys, found only in Corcovado), crocodiles, poison dart frogs, pelicans, 220 species of butterflies, scarlet macaws and even the rare and venomous fer-de-lance snake.

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So, instead of regal kings and consumptive heroines, this opera stars badgers, dogs, chickens and frogs, with bit parts for a flurry of other curious critters and even a handful of humans.

NPR: Quirk of Nature: Janacek's 'Cunning Little Vixen'