Leafy seadragons are masters of camouflage, blending seamlessly with seaweed and kelp forests, using their leaf-like appendages not just for disguise but also for attracting mates.
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The aye-aye, a lemur native to Madagascar, uses its elongated middle finger to tap on trees, listening for the sound of insect larvae before gnawing through the wood to extract them.
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Marmosets are the only primates that can be polyovular, meaning a female can release multiple eggs at once, potentially leading to fraternal twin births (or even more!).
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