Emperor Tamarin
0Loading crowd target
0Loading crowd target
6correct to beat the crowd
40 free Emperor Tamarin trivia questions with answers — trivia quiz, new questions added Oct 2026.
The emperor tamarin looks like a prank someone played on a monkey: a squirrel-sized primate with a sweeping white moustache and a name borrowed from royalty. Behind the whiskers is an animal with a surprising family life, a varied menu and a clever way of sharing the forest with its neighbours. This quiz turns the best fun facts about emperor tamarins into questions. It covers how the species got its name, what the moustache really looks like, where the monkeys live, what they eat through the seasons, who looks after the babies, how troops talk to each other, and how the species is doing in the wild and in zoos. It suits curious kids, classrooms, zoo visitors and quiz hosts looking for something different. Every answer comes with a short explanation, so you leave with facts worth repeating.
30 of 40 questions with answers and explanations. Play the quiz
Q 01The emperor tamarin is said to be named after which monarch, thanks to its long white moustache?
Wilhelm II
Wilhelm II was the last German emperor, ruling until 1918. The monkey's name reportedly began as a zoologist's joke and simply stuck.
Q 02How do the males of an emperor tamarin troop spend most of the day once babies arrive?
Carrying the infants
Carrying the infants is the males' job: they hand them to the mother only to nurse, roughly every two to three hours, then take them straight back.
Q 03Emperor tamarin mothers, like most of their closest monkey relatives, usually give birth to what?
Twins
Twins make up more than 80% of births in the emperor tamarin's family, the only monkeys that regularly produce them.
Q 04Emperor tamarins have what in place of flat nails on every finger and toe except the big toe?
Claws
Claws let emperor tamarins cling to bark and climb straight up or down a trunk; only the big toe keeps a flat nail.
Q 05Captive emperor tamarins are known to lie on their backs to invite what from their keepers?
Petting
Petting is a treat for captive emperor tamarins, which enjoy being stroked by hand; wild troops get the same comfort by grooming one another.
Q 06What can a spider monkey do with its tail that the long-tailed emperor tamarin cannot?
Grip branches
Grip branches: a spider monkey's tail works like a fifth hand. An emperor tamarin's tail is longer than its body but serves only for balance.
Q 07Emperor tamarins rapidly flick which body part to show displeasure or warn off intruders?
Tongue
Tongue flicking, a rapid in-and-out motion, usually comes with shrill, high-pitched calls that tell trespassers whose territory they have entered.
Q 08Which member of an emperor tamarin troop usually holds the highest rank and leads the group?
The eldest female
The eldest female rules the troop and reigns over its mature males, even though males usually outnumber females in a group.
Q 09Which hazard makes weeks 5 to 15 the deadliest for young emperor tamarins as they begin to explore?
Falling from trees
Falling from trees is one of the greatest threats to an infant's survival, which is why older sisters help the adults watch the youngsters.
Q 10By eating fruit and travelling widely each day, emperor tamarins help rainforest trees do what?
Spread their seeds
Spread their seeds: the seeds pass through the monkeys and land in droppings far from the parent tree, which helps the forest regenerate.
Q 11Manú National Park, a World Heritage Site that shelters emperor tamarins, lies in which country?
Peru
Peru protects the monkeys in Manú, where indigenous communities may still hunt; studies found that the hunting has had minimal effect on emperor tamarin numbers.
Q 12Emperor tamarins share the family Callitrichidae with lion tamarins and which other tiny monkeys?
Marmosets
Marmosets and tamarins together are the smallest of the simian primates, and every species in the family lives in the trees.
Q 13Although emperor tamarin numbers are falling, the IUCN Red List puts the species in which category?
Least Concern
Least Concern is the Red List's lowest-risk category: emperor tamarins remain widespread, though forest clearance keeps shrinking and splitting their range.
Q 21In the dry season, when fruit runs short, emperor tamarins get roughly half their plant food from what?
Nectar
Nectar supplies about half of the plant diet in the dry months at one well-studied site, up from almost nothing when fruit is abundant.
Q 22Emperor tamarins lick which sugary food from holes that other animals have already gnawed into bark?
Tree sap
Tree sap is a small but useful extra, supplying carbohydrates and minerals from wounds that other animals opened in the bark.
Q 23Emperor tamarins were once thought monogamous; field studies revealed which mating system instead?
Polyandry
Polyandry means one female mates with several males. Because no male can tell which young are his, each has a reason to invest in them.
Q 14Roughly how much does a full-grown emperor tamarin, a monkey the size of a squirrel, weigh?
About 500 grams
About 500 grams is the top of the adult range, while a newborn is around 35 grams: a large baby for so small a mother.
Q 15When swept back, an emperor tamarin's white moustache reaches beyond which part of the body?
Its shoulders
Its shoulders are no limit for the moustache: at rest it hangs to the chest in two strands, and laid back it reaches past them on both sides.
Q 16Which members of an emperor tamarin troop grow the long white moustache behind the imperial name?
Both sexes
Both sexes have the moustache, and so do the young, so unlike its namesake's whiskers it is no badge of adult maleness.
Q 17Why can emperor tamarins feed on the outermost twigs of a tree, where bigger monkeys cannot follow?
Their light weight
Their light weight lets slender branch tips bear them, opening up fruit and flowers on small-crowned trees that heavier monkeys cannot reach.
Q 18How do emperor tamarins mainly travel from tree to tree through the rainforest canopy?
Leaping between branches
Leaping between branches with quick, jerky movements is the emperor tamarin's style; zoologists class the species among the "leapers".
Q 19Emperor tamarins get most of the protein in their diet by stalking and eating what?
Insects
Insects such as locusts, beetles and butterflies supply most of the protein, and hunting for animal prey takes up about a third of the monkeys' day.
Q 20Emperor tamarins have narrow hands that lack which feature of the human hand?
Opposable thumbs
Opposable thumbs are absent in every tamarin species; the monkeys hold on with one whole hand and pick fruit with the free one.
Q 24The emperor tamarin often forages in mixed troops with which smaller relatives that keep lower down?
Saddleback tamarins
Saddleback tamarins travel below about 10 metres and emperor tamarins above it, and the two species can spend up to a fifth of the day foraging together.
Q 25How do emperor tamarins often take over a fruiting tree that smaller, faster tamarins reached first?
Using size to intimidate
Using size to intimidate works because the smaller species finds food faster; the bigger emperor tamarins follow it, then scare it out of the tree.
Q 26Why are mixed-species troops thought to benefit emperor tamarins and their partners alike?
More eyes for predators
More eyes for predators means more vigilance, and the species even respond to one another's alarm calls.
Q 27Emperor tamarins give loud long calls, audible over 150 metres away, most reliably at which moment?
Leaving the sleeping site
Leaving the sleeping site each morning sets off the calls, which carry on through the day to keep the troop together and neighbours informed.
Q 28Emperor tamarins live in Acre and Amazonas, two rainforest states of which country?
Brazil
Brazil holds the northern part of the range, yet no protected area there is confirmed to shelter emperor tamarins, unlike in neighbouring countries.
Q 29Emperor tamarins, with their sideways-facing nostrils, belong to which broad group of primates?
New World monkeys
New World monkeys live only in the Americas; they descend from African simians that colonised South America tens of millions of years ago.
Q 30How does an emperor tamarin father reportedly help at the very moment his young are born?
Biting the umbilical cord
Biting the umbilical cord is the father's first job, keepers report, and he follows it by licking the newborns clean.