Pet Trivia
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6correct to beat the crowd
105 free Pet trivia questions with answers — nature quiz, new questions added Oct 2026.
56 free Pet trivia questions with answers. Pets outnumber children four to one in the United States, and this quiz covers the whole menagerie. Dogs and cats get the biggest share: how long ago dogs were tamed, the breed that ended the Labrador's 31-year reign, why cats purr at 25 Hz, the island where the first tame cat was buried, and the record-holders for oldest dog and oldest cat. Then the rest of the pet shop: the one Syrian mother every pet hamster descends from, why guinea pigs need vitamin C, what a business of ferrets is, the budgie with a 1,728-word vocabulary, goldfish memory, bettas that breathe air, and axolotls that regrow limbs. Famous animals get their turn too (Laika, Hachiko, Balto, Toto, Lassie, Nipper, the White House beagles), along with the toy pets that became crazes: Sea-Monkeys, the Pet Rock, Tamagotchi, Furby and Nintendogs. Easy questions suit kids and family game night; harder ones will stretch vets and breeders. Every answer was checked against Wikipedia's articles on each animal, and the source line appears under each question once you have answered.
30 of 105 questions with answers and explanations. Play the quiz
Q 01Under what name is the budgerigar usually sold in American pet shops?
Parakeet
Parakeet is the name American pet shops use, though the word really covers many small long-tailed parrots; the budgerigar is simply the one that became a household pet.
Q 02Which pet bird holds the world record for the largest vocabulary, at 1,728 words?
A budgerigar named Puck
A budgerigar named Puck knew an estimated 1,728 words by his death in 1994, far ahead of N'kisi, a much larger parrot celebrated for his speech, whose documented vocabulary was about 950.
Q 03Wild budgerigars are native to which country?
Australia
Australia's dry interior is their home, where nomadic flocks follow food and water; the birds also gave Australians a slang term for tight men's swimwear, budgie smugglers.
Q 04Despite the famous myth, experiments show a trained goldfish can remember a cue for about how long?
Several months
Several months is the safe answer: goldfish trained to feed from a coloured tube still knew it long afterwards, and they can tell shapes, colours and sounds apart as well.
Q 05Goldfish were first domesticated in which country?
China
China's goldfish is now kept worldwide, and pets dumped in North American lakes have become an invasive pest, growing far bigger than in a bowl and muddying the water as they feed.
Q 06In 2005, which European capital banned goldfish being given away as carnival prizes?
Rome
Rome's 2005 bylaw banned giving away goldfish as prizes and outlawed round fishbowls, which campaigners called cruel; the same rules made regular dog walks compulsory.
Q 07Virtually all pet golden hamsters descend from a single female captured in 1930 in which country?
Syria
Syria is where zoologist Israel Aharoni of the Hebrew University dug up a mother and her litter near Aleppo in 1930; their descendants reached Britain in 1931 and founded the pet population.
Q 08The German verb 'hamstern', taken from the hamster's name, means to do what?
To hoard
To hoard is the meaning: a hamster crams food into cheek pouches that reach back to its shoulders and carries it home to store, so Germans borrowed its name for stockpiling.
Q 09Like humans, guinea pigs cannot make which nutrient themselves and must get it from food?
Vitamin C
Vitamin C must come from food because guinea pigs, like humans, lack the working enzyme that makes it; they get scurvy without fresh greens, and 1907 experiments on them helped show that diet cures the disease.
Q 10A happily excited guinea pig performing little hops in the air is said to be doing what?
Popcorning
Popcorning is the name for those sudden joyful hops, likened to kernels popping; rabbits do a similar happy leap called a binky, and ferrets have a 'war dance'.
Q 11Guinea pigs were first domesticated around 5000 BC by people living where?
The Andes
The Andes are where people first bred guinea pigs, and for meat rather than company; they are still raised for the table there today.
Q 12What is the collective noun for a group of ferrets?
A business
A business, once spelled 'busyness', is the collective noun for ferrets, probably tame descendants of the wild polecat, long used to flush rabbits and rats out of their burrows.
Q 13The domestic bunny is a domesticated form of which wild species?
The European rabbit
The European rabbit, once largely confined to Iberia and southern France, is the ancestor of every domestic breed; people carried it around the world, where it became a crop pest.
Q 21Hermit crabs have been seen queuing up from largest to smallest in order to do what?
Swap shells
Swap shells: when a roomy empty shell turns up, crabs gather beside it in size order, and once one moves in, each crab behind takes the shell just vacated.
Q 22The 14,000-year-old Bonn-Oberkassel puppy's teeth suggest that people had done what?
Nursed it
Nursed it through distemper: enamel damage records weeks of an illness that usually kills, which the puppy probably survived only because people kept it fed, watered and clean.
Q 23How many permanent teeth does an adult dog have?
42
An adult dog has 42 permanent teeth, twenty on top and twenty-two below, replacing 28 deciduous puppy teeth; despite around 450 breeds, all share the same dental formula.
Q 14What is the fancy rat, the most common pet rat, a domesticated form of?
The brown rat
The brown rat, Rattus norvegicus, is the species behind the fancy rat; the hobby traces to Jack Black, self-styled rat-catcher to Queen Victoria, who sold unusually coloured rats as pets.
Q 15Which pet rodent has fur so dense that dozens of hairs grow from each follicle?
Chinchilla
The Chinchilla's coat was so prized that trappers made the animal rare in the wild, and both wild species are now listed as endangered.
Q 16Bettas, or Siamese fighting fish, can breathe air at the surface thanks to which organ?
The labyrinth
The labyrinth, a lung-like organ, lets a betta gulp air at the surface, so it can live in the stagnant, oxygen-poor rice paddies and pools that would suffocate most fish.
Q 17Which talking pet bird, prized for its mimicry, belongs to the starling family?
Hill myna
The Hill myna, a starling of South and Southeast Asian forests, mimics human speech so well that demand for cage birds has fuelled a trade in young taken from the wild.
Q 18Wild axolotls survive only in lakes near which capital city?
Mexico City
Mexico City's Xochimilco canals are the axolotl's last wild home, since neighbouring Lake Chalco was drained; it is critically endangered there, yet laboratories and aquariums around the world keep it in large numbers.
Q 19The leopard gecko, a common pet lizard, lacks which feature most geckos have?
Adhesive toe pads
Adhesive toe pads are missing on the leopard gecko, which has clawed toes and lives on the ground in the rocky deserts of Pakistan, India and Afghanistan, unlike wall-climbing geckos with sticky feet.
Q 20The harmless corn snake is often killed because it resembles which venomous snake?
Copperhead
The Copperhead's blotched pattern gets its harmless lookalike killed, which is a poor bargain: the corn snake hunts the rats and mice that raid barns and grain stores.
Q 24In 2023 which breed ended the Labrador Retriever's 31-year run as America's most popular dog?
French Bulldog
The French Bulldog took the American Kennel Club's top spot on 2022 registrations, having ranked only 14th a decade earlier; the breed's build means most litters are delivered by caesarean.
Q 25Which is the smallest recognised dog breed in the world?
Chihuahua
The Chihuahua, capped at six pounds by its breed standard, is named after the Mexican state where it was first noted in the mid-1800s; it may descend from the Techichi, a dog kept by the Toltecs.
Q 26Despite its name, the Great Dane is a breed from which country?
Germany
Germany is the Great Dane's home: known there as the Deutsche Dogge, it was bred to hunt wild boar and guard noble estates, and despite its English name has no known connection with Denmark.
Q 27The longest-lived verified dog, Bluey, reached 29 years and was what breed?
Australian Cattle Dog
Bluey, an Australian Cattle Dog from Rochester, Victoria, lived from 1910 to 1939; Guinness crowned a Portuguese dog named Bobi in 2023, then withdrew his title a year later for lack of proof.
Q 28Domestic cats descend from which wild species?
The African wildcat
The African wildcat slipped into the first farming villages to hunt the mice in the grain stores, so cats more or less domesticated themselves.
Q 29The earliest known sign of a tamed cat, from about 7500 BCE, was found beside a human on which island?
Cyprus
Cyprus had no native wildcats, so the cat buried beside a human at Shillourokambos about 9,500 years ago must have been brought by boat from the mainland.
Q 30Cats purr when content and, less famously, when they are what?
In pain
In pain or under stress, a cat often purrs too; the low rumble, from about 25 hertz, is thought to help bones and tissue heal, which may be why a hurt cat does it.