LEOPONS: Johnny, a leopon, is seen here in Kobe, Japan, circa 1960. Johnny is part lioness part leopard. Leopons typically have the head of a lion and the body of a leopard.
2 of 8
CAMAS: Dr. Lulu Skidmore, Principal Scientific Officer of the Camel Reproduction Center, holds a cama, known as Kamilah, in March 2002. Camas are a mix of llamas and camels.
3 of 8
WOLPHIN: A mix between a dolphin and a false killer whale is seen here in Sea Life Park in Hawaii in September 2005. Wolphins are a very rare hybrid.
4 of 8
ZORSES: Eclyse is a zorse, or zebroid, and is a hybrid of a female zebra and a male horse, seen here at a German safari park in July 2007.
5 of 8
TIGONS: One of two tigon cubs looks out of its cell at the Hainan Tropical Wildlife Park and Botanic Garden in Haikou, China, in October 2009. The cubs were born to a male Siberian tiger and a female African lion.
6 of 8
Tom Reed/The Times/AP
ZEDONKIES: A four-day-old cross between a zebra and a donkey is seen at Chestatee Wildlife Preserve in Lumpkin County, Ga., on July 26.
7 of 8
LIGERS: Baby ligers are seen at a private zoo in Tainan, Taiwan, on Aug. 15. The zoo became the first in Taiwan to breed ligers, a cross between a lion and a tigress. The zoo keeper and owner may face fines for violating Taiwan's wildlife rules.