Ippo, a rare product of a female donkey and a male zebra, or<a href="http://www.cnn.com/2010/US/09/23/what.is.zedonk/index.html"> "zonkey</a>," born in Florence, Italy, on Tuesday, July 23. Sometimes called zedonks or zebroids, the zonkey could live well into its 20s but will be unable to reproduce.
Zonkeys and ligers and pizzlies —
Ippo, a rare product of a female donkey and a male zebra, or "zonkey," born in Florence, Italy, on Tuesday, July 23. Sometimes called zedonks or zebroids, the zonkey could live well into its 20s but will be unable to reproduce.
CARLO FERRARO/ANSA/ZUMAPRESs
Kekaimalu, the only known living hybrid of a false killer whale, shows off her baby, a female "wholphin," at Sea Life Park Hawaii in Honolulu on April 21, 2005. The baby is one-fourth false killer whale and three-fourths Atlantic bottlenose dolphin. It was previously thought that a hybrid animal such as Kekaimalu would have difficulty conceiving and birthing.
Zonkeys and ligers and pizzlies —
Kekaimalu, the only known living hybrid of a false killer whale, shows off her baby, a female "wholphin," at Sea Life Park Hawaii in Honolulu on April 21, 2005. The baby is one-fourth false killer whale and three-fourths Atlantic bottlenose dolphin. It was previously thought that a hybrid animal such as Kekaimalu would have difficulty conceiving and birthing.
Lucy Pemoni/REUTERS/Landov
"Brice bears" named Taps and Tips enjoy their compound at the zoo in Osnabruck, Germany, on September 26, 2011. They are polar-brown bear hybrids.
Zonkeys and ligers and pizzlies —
"Brice bears" named Taps and Tips enjoy their compound at the zoo in Osnabruck, Germany, on September 26, 2011. They are polar-brown bear hybrids.
Friso Gentsch/DPA/LANDOV
Residents of the Mission: Wolf sanctuary in Silver Cliff, Colorado, on June 18, 1998. The sanctuary takes in wolves and wolf/dog hybirds.
Zonkeys and ligers and pizzlies —
Residents of the Mission: Wolf sanctuary in Silver Cliff, Colorado, on June 18, 1998. The sanctuary takes in wolves and wolf/dog hybirds.
Hyoung Chang/The Denver Post/Getty Images
The colt "zorse" N'Soko frolics with its mother, Victoria the mare, and father, Zebulon the zebra, in the private animal park of a farm in Cuchery, France, on August 22, 2003. N'Soko is the brother of the first zorse born in Europe 13 months earlier. "Two natural births from the crossing of the same parents is, to my knowledge, a world first," commented park owner Jean-Jacques Lefevre.
Zonkeys and ligers and pizzlies —
The colt "zorse" N'Soko frolics with its mother, Victoria the mare, and father, Zebulon the zebra, in the private animal park of a farm in Cuchery, France, on August 22, 2003. N'Soko is the brother of the first zorse born in Europe 13 months earlier. "Two natural births from the crossing of the same parents is, to my knowledge, a world first," commented park owner Jean-Jacques Lefevre.
ALAIN JULIEN/AFP/Getty Images
Yeti, a hybrid white gyr and saker falcon, makes a low-altitude pass during training at the U.S. Air Force Academy in Colorado on November 12, 2003. The falcon can exceed 200 miles per hour in a dive. Yeti is a member of the Air Force Academy's falconry program.
Zonkeys and ligers and pizzlies —
Yeti, a hybrid white gyr and saker falcon, makes a low-altitude pass during training at the U.S. Air Force Academy in Colorado on November 12, 2003. The falcon can exceed 200 miles per hour in a dive. Yeti is a member of the Air Force Academy's falconry program.
David Armer/U.S. Air Force/Getty Images
One of Australia's only two "tigons," a manmade hybrid created by crossing a male tiger with a lioness, prowls at the National Zoo in Canberra on July 4, 2004. Bearing the stripes of a tiger and the physique of a lioness, tigons are usually infertile.
Zonkeys and ligers and pizzlies —
One of Australia's only two "tigons," a manmade hybrid created by crossing a male tiger with a lioness, prowls at the National Zoo in Canberra on July 4, 2004. Bearing the stripes of a tiger and the physique of a lioness, tigons are usually infertile.
TORSTEN BLACKWOOD/AFP/Getty Images
United Arab Emirates Defense Minister and Dubai Prince Sheikh Mohammed bin Rashid Al Maktoum plays with the first cross-breeding between a camel and a llama on January 19, 1998. The male baby's features are about 60% those of a camel.
Zonkeys and ligers and pizzlies —
United Arab Emirates Defense Minister and Dubai Prince Sheikh Mohammed bin Rashid Al Maktoum plays with the first cross-breeding between a camel and a llama on January 19, 1998. The male baby's features are about 60% those of a camel.
AFP/Getty Images