Horseshoe Crab
A marine arthropod whose blue blood is used to test for bacterial contamination in medicine
Fun Fact
Horseshoe crab blood turns bright blue when exposed to air due to copper-based hemocyanin, and one quart can yield enough clotting agent to test 100 million COVID tests.
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Chimpanzee
Our closest living relative, known for tool use and complex social behavior
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Coelacanth
A living fossil fish thought to be extinct for 65 million years until rediscovered in 1938
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Crow
One of the most intelligent bird species, capable of using tools and solving puzzles
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Dugong
A marine mammal closely related to the manatee, found in warm coastal waters