Because of the lack of detail in your question, all I can do is hazard a guess.
The Grey Fox has a fox-like tail and is found in Mexico and Southern USA. (Canine).
The Coyote has a fox-like tail and is found in Mexico, USA and Canada. (Canine).
The Chinchilla has a small bushy tail that looks like a baby fox. They are found in Mexico, Chile, Andes and Peru. (Rodent).
The Ringtail Cat is a wildcat with a bushy fox-like tail found in Mexico and South-Western USA. (Feline).
It is a possum, known in Mexico as a tlacuache.
lion
It is the Tlacuache or opossum. Its species is categorized as Marmosa mexicana.
it comes from a few places like Beatriz is use in Mexico and Beatrice is use In Italy and in France
aardvark
The Mexica (Nahuatl) were an indigenous people of Mexico, known today as the Aztecs. There is disagreement over the meaning of the name Mexica, and the place name Mexico (Mexihco) where they lived. The name of Mexico comes from the Nahuatl name Mexihco.
Just like that: Mexico [meksicou]
The scietfic name for an animal comes from, its characteristics, or abilities. It is usually a characteristic, or trait, in Greek.
Mexico got its name from the Mexica people (wrongly named as Aztecs by contemporary archeologists). It comes from their capital city name: Mexico-Tenochtitlan. It means "place of cactus in the middle of the Moon Lake".
The animal is a 'Hippopotomas'.
It is the Mexican Golden Eagle (Aquila chrysaetos).
It comes from the Aztec's capital city name: Mexico-Tenochtitlan. It means "place of cactus in the middle of the Moon Lake".Mexico ~ in reference to the Nahua Aztec tribe, Mexica