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The Caribbean reef squid’s (Sepioteuthis sepioidea) tentacles and head are made up almost entirely of muscle. They use these muscles to move fast, escape predators, and capture prey. On top of their already impressive athleticism, Caribbean reef squids also have some of the largest eyes relative to their body size of any animal in the…

Anise swallowtails’ (Papilio zelicaon) yellow-and-black wings stand out in their natural habitat and make them conspicuous to both people and predators. While many people think anise swallowtails are gorgeous, these high contrast wings send a message to predators: “Don’t eat me, I’m poisonous!” Sketch contributed by Hee Jin Chung. Fact contributed by Allison Lau. [Edited by…

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