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Cornell Lab of Ornithology, We use science to understand the world, to find new ways to make conservation work, and to involve people who share our passion. We ...

Journal of Mexican ornithology whose website features published papers, editorial guidelines and related links.

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Derivation of (special case of the) Bell's Theorem.

Bird song study using spectrograms (sonograms) in southern Tuscany. Includes photos, calls (.wav format), spectograms, and call descriptions for 44 species.

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Stanford University is one of the world's leading research and teaching institutions. It is located in Stanford, California.