Animals that Start with X

X-Ray Tetra Classification and Evolution The X-Ray Tetra is a small species of schooling fish that is naturally found in the Amazon River’s coastal waters in South America. The X-Ray Tetra fish is also known as the Golden Pristella Tetra and the Water Goldfinch due to the faint golden colouration of their translucent skin. They […] Read More

“They live in the high Arctic, and sightings are prized for birders.” Summary The Xeme (Sabine’s gull) is a small gull found in North America and Europe. It lives in the Arctic during the breeding season, migrates over oceans, and spends winters in more tropical waters. You often find this bird flying low over the […] Read More

The Xenacanthus was a small freshwater shark that went extinct around 200 million years ago. They are a prehistoric genus of sharks. It went extinct at the end of the Triassic period, about 202 million years ago. They were widely distributed and lived from the Devonian to the end of the Triassic period. The name […] Read More

The Xenoceratops is the oldest known horned dinosaur ever discovered in Canada. Xenoceratops was a two-ton herbivorous dinosaur that lived in present-day Canada during the Late Cretaceous about 80 million years ago. This makes it the oldest known large-bodied, horned dinosaur ever found in Canada. It is also one of the oldest in North America. […] Read More

“They may have acted as ‘gardeners’ to clear vegetation and disperse seeds through their feces.” Xenoposeidon Facts Xenoposeidon is a genus of extinct sauropod dinosaur that lived during the Early Cretaceous Period, around 130 million years ago.The only known fossil specimen of xenoposeidon is a single neck vertebra that was discovered in the United Kingdom […] Read More

Xenotarsosaurus is a genus of theropod dinosaur that lived in South America (Argentina) during the Late Cretaceous Period (100.5–66 million years ago). We do not know a lot about this dinosaur because of the incomplete nature of the fossils. However, it was one of the first dinosaur remains to be discovered in Argentina.  Description and […] Read More

A Xerus uses its fluffy tail as shade from the sunlight in Africa. Xerus erythropus which is commonly known as African ground squirrel and is native to Africa. They have coarse and short hair and are known to be social animals. They can survive in captivity for about 11.5 years. The males and females live […] Read More

Millions of years ago, Asia was home to various dinosaurs. The population of dinosaurs in this area was a mix of giant plant eaters and predators. The Xiaosaurus (pronounced as “chow-saw-rus”) was one of the most prominent herbivores on this continent. This ornithischian dinosaur lived about 169–163 million years ago during the Middle Jurassic Period. […] Read More

Birds are the closest thing to a dinosaur we can find around. While giant dinosaurs like the T. rex may not look anything like modern-day birds, smaller dinosaurs like the Xiaotingia are more similar to their descendants. Pronounced as “zhow-tin-gee-ah,” this genus of bird-like theropod dinosaur lived from the middle to late Jurassic Period in […] Read More

The Xingu River ray is a freshwater cartilaginous fish in the Potamotrygonidae family. The species is found in the Brazilian Xingu River Basin, a tributary of the Amazon River. It has a dentine spine with venom and is currently threatened in its natural habitat by environmental and human activities. It is also known as the […] Read More

“Related to the T-Rex, but smaller, faster, and more agile.” Xiongguanlong Facts What we know of Xiongguanlong comes from a single specimen discovered in China.As a member of the tyrannosauroid family, it was related to the T-Rex and the velociraptor. They had long, narrow skulls with sharp, curved teeth that enabled them to slice up […] Read More

The Xiphactinus is an extinct genus of bony fish that lived during the Late Cretaceous. This voracious sea creature lived in the Western Interior Seaway and was a top predator at the time. It was one of the largest bony fish to have ever lived. This massive bony fish lived during the Cretaceous Period (112 […] Read More

The Aztecs believed that the Xoloitzcuintli was created from a sliver of the Bone of Life, which also gave rise to all of humanity. The Xoloitzcuintli, also known as the Mexican hairless or simply the Xolo (pronounced show-low) for short, is among the most ancient and venerable of all dog breeds in the world. Dating […] Read More