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  3. Common raven Corvus corax, also known as the northern raven, is a large all black passerine bird Fo

    Common raven Corvus corax, also known as the northern raven, is a large all black passerine bird Fo

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  7. Cute green frog resting inside a leaf in Costa Rica night time amphibian biodiversity

    Cute green frog resting inside a leaf in Costa Rica night time amphibian biodiversity

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  16. Different colorful fishes, sea plants, and corals underneath the deep blue ocean

    Different colorful fishes, sea plants, and corals underneath the deep blue ocean

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