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11 Animals That Start With X

By Eddie Chevrel


Updated on

Do you know many animals that start with the letter X? We’ve gathered them in this post for you to have them all in one place – from the shiny X-Ray Tetra fish to the Xantus’s Hummingbird, all the way through to the Xenops and the Xerus.

So without further ado, let’s find out what animals start with the letter X.

Animals That Start With X – The Complete List

  • X-Ray Tetra
  • Xantic Sargo
  • Xantus’s Hummingbird
  • Xantus Murrelet
  • Xenarthra
  • Xenopoecilus
  • Xenops
  • Xerus
  • Xingu River Ray
  • Xolmis
  • Xoloitzcuintli

X-Ray Tetra

x-ray tetra

The X-ray tetra is a fish that has been selectively bred to have a black body and a blue tail. It also has green eyes and iridescent scales. The X-ray tetra is one of the most popular aquarium fish globally, as it is easy to care for and will live for up to 20 years in captivity.

Xantic Sargo

This fish is found in the Mediterranean sea, where it lives on rocky seabeds at depths between 200 and 600 meters. It feeds on crustaceans and mollusks and grows up to 90 centimeters long (3 feet).

Xantus’s Hummingbird

xantus's humminbird

This hummingbird species can be found in Mexico, southern California and northwestern Mexico-and not much else! It lives in oak woodland habitats with lots of flowers. It feeds on nectar from flowers such as ocotillo, agave cactus, saguaro cactus, coyote bush (Lycium) berries and many others.

Xantus Murrelet

The Xantus murrelet is a small seabird found on the Pacific coast of North America. It is named after John Xantus, an ornithologist who discovered the species in 1859. The Xantus murrelet is a threatened species, and it is estimated that only around 5,000 individuals are left in their natural habitat.



The Xenarthra order consists of sloths, armadillos, and anteaters. These are all mammals that have adapted to live in tropical climates. They are found in Central America and South America. They are also known as New World ungulates because they belong to the same order as horses and other herbivorous mammals from Old World ungulates.


Xenopoecilus is a genus of fish native to South America with about seven species, including Xenopoecilus hexataenia, which has been introduced into Australia, where it has become invasive due to its ability to survive in low oxygen conditions found in freshwater habitats such as ponds or lakes where it competes with native species for resources such as food sources such as insects or algae which grow on rocks or plants underwater.



The Xenops is a small bird that lives in the tropical forests of Central and South America. It often hangs upside down like a chickadee and sings with a short, high, liquid trill.



A species of ground squirrel native to South Africa and Namibia. The series has a dense coat of fur that allows it to survive in temperatures as low as -50 degrees Celsius (-58 degrees Fahrenheit). It can also lower its body temperature by 20 degrees Celsius (36 degrees Fahrenheit) by blood circulation through its nasal passages.

Xingu River Ray

xingu river ray

An electric ray is found in Brazil, Colombia, Ecuador, Guyana, Peru, and Venezuela in the Amazon River basin. The Xingu river ray can grow up to 1 meter (3 feet) long and weigh up to 6 kilograms (13 pounds). It uses electric shocks for defense against predators like piranhas and catfish.


The Xolmis is a bird that lives in South America. It has a large body with a long tail and a bright green crest on its head. It has an orange beak and a brown neck. The female is smaller than the male, but they look similar otherwise. Xolmis are omnivores and eat insects and small animals and fruits and flowers. They live in the rainforest near rivers or lakes, where they build their nests out of sticks and leaves to keep their eggs safe from predators like snakes or other birds. These birds can live up to 10 years in captivity.


The Xoloitzcuintli is also known as the Mexican Hairless Dog or Mexican Hairless Cat because it looks like both of those animals combined into one! This dog only grows up to 6 inches tall (or 16 cm), making it easy for owners to carry them around in their pocket or purse! Their bodies are covered with black hair from head to toe except for their face, which has white markings around the eyes and mouth.

Conclusion – Animals that start with X

There you have them – the complete list of animals that start with an X. True, the list is not that long, but who knows how many more animals will be added in the coming years – they always find new species around the world.

Thank you for reading this post – we hope that you enjoyed our list of all animals starting with the letter X!

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About Eddie Chevrel

Eddie Chevrel is an animal journalist and the founder of ThePetSavvy. He's very passionate about exotic pets and spends most of his free time doing research, meeting, and interviewing people working with animals. Learn more about The Pet Savvy's Editorial Process.