Hybrid Animals
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50 free Hybrid Animals trivia questions with answers — trivia quiz, new questions added Oct 2026.
Cross breed animals sound like something from a storybook, yet zoos, farms and the wild are full of them. When two different species or breeds mate, the offspring can be bigger than both parents, tougher than either, or unable to have young of their own, and the stories behind them are often stranger than the animals themselves. This quiz covers the famous crossbred animals and the obscure ones: big-cat hybrids, mules and their striped cousins, designer dogs and wild-blooded pet cats, mixed-up whales, bears, cattle, camels, birds and fish. It also touches on the science of interspecies breeding, from why so many hybrids are sterile to the ancient crosses hidden in our own DNA. It suits animal lovers, pub quiz fans, students and teachers, and anyone who has wondered whether a liger is real. Every answer comes with a short explanation, so you will leave knowing which mixed breed animals exist, who bred them and why.
30 of 50 questions with answers and explanations. Play the quiz
Q 01In which 2004 cult comedy does an awkward Idaho teenager sketch a liger and call it his favorite animal?
Napoleon Dynamite
Napoleon Dynamite treats the liger as a fantasy beast, but zoos were already raising real ones in the 1800s.
Q 02Which US president bred mules after the Revolutionary War and is often called the father of the American mule?
George Washington
George Washington found that mules worked harder and longer than horses, and sent his donkeys to farms across the country to sire more.
Q 03In which Mexican border city do tourists pose with 'zonkeys' that are really donkeys painted with stripes?
Tijuana
Tijuana cart owners began adding the stripes in the 1940s, partly because pale donkeys showed up poorly in black-and-white souvenir photos.
Q 04The 'killer bees' of the Americas descend from African queens that escaped a breeding experiment in which country?
Brazil
Brazil lost 26 swarms in 1957 when a visiting beekeeper removed the screens holding the queens in, and their hybrid offspring reached North America by 1985.
Q 05The Labradoodle was created by breeder Wally Conron as a low-shedding guide dog in which country?
Australia
Australia is where Conron coined the catchy name to help place his puppies, and he later said he regretted starting the designer-dog craze.
Q 06A hunter in the Canadian Arctic in 2006 shot the first confirmed wild hybrid of a polar bear and which other bear?
Grizzly
Grizzly traits gave the animal away: the white bear had brown patches, long claws and a humped back, and DNA tests confirmed the mix.
Q 07People of European and Asian descent owe a few percent of their DNA to interbreeding with which extinct humans?
Neanderthals
Neanderthals bred with modern humans who had left Africa, and stretches of their genome still survive scattered among people alive today.
Q 08Teams of mules famously hauled which mineral out of California's Death Valley between 1883 and 1898?
Borax
Borax left the valley behind 'twenty-mule teams' that were really eighteen mules and two horses, pulling some of the largest wagons ever drawn by animals.
Q 09The mule deer of western North America is not a hybrid at all; which feature earned the deer its name?
Its ears
Its ears, as oversized as a mule's, inspired the name, though the species does occasionally hybridize for real with white-tailed deer.
Q 10A 'wholphin' born to a false killer whale and a bottlenose dolphin in 1985 lived in which US state?
Hawaii
Hawaii's Sea Life Park was home to Kekaimalu for 39 years, and she proved such hybrids can be fertile by having three calves of her own.
Q 11What is the cub of a male tiger and a lioness called, a cross that rarely outgrows its parents?
Tigon
Tigon cubs take stripes from one parent and can show faint spots from the other, because lion cubs are born spotted.
Q 12What is the offspring of a male horse and a female donkey, the rarer reverse of a mule, called?
Hinny
Hinny foals are usually smaller than mules, and many 'jumarts' once claimed to be horse-cow crosses turned out to be hinnies.
Q 13Why are mules, which inherit genes from both a horse and a donkey, almost always unable to breed?
An odd chromosome count
An odd chromosome count of 63, halfway between the horse's 64 and the donkey's 62, makes it hard for a mule to form working eggs or sperm.
Q 21A dzo, prized by herders in Tibet and Mongolia for its strength, crosses domestic cattle with which animal?
Yak
Yak and cow together make an animal stronger than either parent, and its name, also spelled 'zo', is a prized play in British and international Scrabble.
Q 22Which two farm animals, though they often share pastures, only very rarely produce live hybrid young?
Sheep and goat
Sheep and goat pairings usually end in stillbirth, so a live 'geep', like the one born in Ireland in 2014, makes headlines.
Q 23The name 'żubroń', for a cross of cattle and the wisent, was chosen in a 1969 magazine contest in which country?
Poland
Poland's weekly Przekrój ran the contest, and breeders hoped the hardy giants, with bulls weighing up to 1,200 kg, could replace cattle on poor land.
Q 14Which US service academy adopted the mule as its mascot in 1899 to answer a rival's animal?
West Point
West Point picked the mule because the animals had hauled Army gear for generations, and the mascots now represent the entire service.
Q 15Which US state, for decades America's leading mule producer, made the mule its official animal in 1995?
Missouri
Missouri mules pulled pioneer wagons, plowed fields and moved troops and supplies in both world wars before the state honored them.
Q 16A mule's father is a male donkey, an animal that breeders call by which short name?
Jack
Jack is the breeders' word, which is why a male donkey is also known as a jackass.
Q 17Idaho Gem, a mule born in 2003, was the first member of the horse family produced by which technique?
Cloning
Cloning made him a genetic copy of an unborn sibling of a champion racing mule, and Idaho Gem went on to win races himself.
Q 18A skull kept by an Inuit hunter was confirmed in 2019 as a hybrid of a beluga and which other whale?
Narwhal
Narwhal was the mother and beluga the father, and their offspring had strange spiraled teeth but no tusk.
Q 19A calf born in Dubai in 1998 was the first hybrid of a dromedary camel and which South American animal?
Llama
Llama mothers carry these hybrids, called camas, which exist only through artificial insemination because a camel can weigh six times as much as its mate.
Q 20Which wild North American animal was crossed with domestic cattle to create a breed defined as three-eighths wild?
Bison
Bison is the Beefalo's wild ancestor on paper, yet a 2024 genetic study found that most Beefalo tested carried no detectable trace of it.
Q 24Since the 1960s, most makers of which delicacy have relied on mulards, sterile hybrid ducks, in place of geese?
Foie gras
Foie gras farmers switched because geese cost more to keep, and France alone was raising 35 million mulards a year by 2007.
Q 25The 'designer dog' fad began when breeders crossed which curly-coated breed with others to get a low-shedding coat?
Poodle
Poodle crosses such as the Cockapoo and Schnoodle multiplied as breeders chased a coat that sheds little in ever more combinations.
Q 26The crossbreed named America's 'Hottest Dog of 2005' mixes a Pug with which hound?
Beagle
Beagle parents give most Puggles a longer snout than a Pug's, which eases the breathing troubles of flat-faced dogs.
Q 27The Savannah cat, a breed that produced a world-record tallest pet cat, descends from which African wild cat?
Serval
Serval fathers are so much bigger than house cats that early-generation Savannahs can reach 18 kg, and the first was born to a Siamese in 1986.
Q 28Which spotted cat breed did California's Jean Mill develop from crosses with the wild Asian leopard cat?
Bengal
Bengal cats take their name from the leopard cat's scientific name, and they are the only domestic breed with rosette markings.
Q 29The Czechoslovakian Wolfdog began in 1955 as a military experiment crossing Carpathian wolves with which dog breed?
German Shepherd
German Shepherd sire Cézar and a she-wolf named Brita produced the first litter in 1958, and the breed won international recognition in 1999.
Q 30Which word for a mixed-breed dog is probably a shortening of an old insult for a stupid person?
Mutt
Mutt probably comes from 'muttonhead', a 19th-century word for a dimwit, and it was being used of dogs by 1898.