Uploaded March 2026 | Updated September 2026, 2 weeks ago

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If you peer into the mouth of an animal, things quickly get strange…

Each set of teeth is a survival strategy, a weapon, a fishing hook, a filter, or a trap built perfectly for the animal that uses it. Nature has created some truly weird smiles 🦷😁

#scienceexplained #sciencefacts #animals #weird
Director, Host, Writer: @NotesByNiba
Video Editor: @bavana.gone