Xerus
African ground squirrel, fast and highly social
Xantus's Hummingbird
Vibrant bird native to Baja California’s forests
Xingu River Ray
Freshwater stingray found in Brazil’s Xingu River
Xoloitzcuintli
Hairless Mexican dog breed, revered for healing
Xenops
Small bird, adept at hunting insects in trees
Xenopus
African clawed frog, popular in biological research
Xenarthra
Group including sloths, anteaters, and armadillos species
Xenoturbella
Primitive marine worm with a simple body structure
Xeme
Arctic tern, famous for long migratory flights
Xenoceratops
Horned dinosaur, lived in Canada during Cretaceous period
Xenopus laevis
Frog species, important in developmental biology studies
Xestobium
Wood-boring beetle, known for "deathwatch" tapping sounds
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