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Sharks apparently are the only animals that never get sick. As far as is known, they are immune to every known disease including cancer. Â Â Â Â Â Â Snakes are immune to their own poison. Â Â Â Â Â Â The bloodhound is the only animal whose evidence is admissible in an American court. Â Â Â Â Â Â The hummingbird is the only bird that can hover and fly straight up, down, or backward! |
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