Cave rats make urine trails throughout the deep, dark caverns of the caves, which tell the rats how to find their way in the dark.

Leopards are part of the cat family, Felidae. The scientific name for a leopard is Panthera Pardus.

Actress Michelle Pfeiffer was the first choice to play Clarice Starling in the movie "Silence of the Lambs." She turned down the role because she found it too scary.

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