Common Bark Spider Caerostris sexcuspidata

This African-endemic orb-weaver is instantly recognizable for the horn-like projections adorning its body—an unusual feature that makes it stand out dramatically among spiders. Known as the horned bark spider, it lives exclusively across Africa and represents one of nature's creative experiments in arachnid morphology. These distinctive structures likely serve important purposes in mating displays, territorial behavior, or species recognition, though much still remains mysterious about this striking spider's ecology. Its endemic status means it's found nowhere else on Earth, making it a uniquely African contribution to spider diversity.