Ten questions on animal records, anatomy and behaviour, each with the reason the animal turned out that way.
Animal trivia is usually a list of superlatives with nothing holding it together. This quiz keeps the records but adds the reasoning, so the blue whale's size, the cheetah's speed and the octopus's spare hearts all read as solutions rather than curiosities. It covers mammals, birds, invertebrates and the categories people routinely mix up, particularly amphibians and reptiles. The explanations stay short and concrete, and none of it depends on having studied biology.
Every question in this quiz is listed below with its correct answer and the reasoning behind it. Play first if you would rather not see the answers — or read through as a study sheet.
Play it insteadAnswer: D. The Greenland shark
Why: Radiocarbon dating of eye tissue suggests Greenland sharks live for several centuries. They are thought not to reach breeding age until around 150 years old.
Answer: D. About 22 months
Why: At roughly 22 months it is the longest gestation of any land mammal. The long development produces a calf able to walk within hours of birth.
Answer: A. The platypus
Why: The platypus and the echidna are the only egg-laying mammals, known as monotremes. They still feed their young on milk, which is what keeps them classed as mammals.
Answer: C. The polar bear
Why: Polar bears are generally cited as the largest, with big males exceeding 500 kilograms. Kodiak brown bears rival them closely enough that the title is sometimes disputed.
Answer: A. A pack
Why: Wolves live and hunt in packs, usually built around a breeding pair and their offspring. The older idea of a dominant alpha fighting for rank came from studies of unrelated captive wolves and does not describe wild packs.
Answer: C. The Southern Hemisphere
Why: All wild penguins live south of the equator, with one species reaching the Galapagos. Polar bears and penguins never meet in the wild.
Answer: A. Nocturnal
Why: Nocturnal animals are active in darkness, while diurnal ones are active by day. Crepuscular describes the dawn and dusk specialists in between.
Answer: B. The African elephant
Why: African bush elephants can exceed six tonnes. The giraffe is taller but considerably lighter.
Answer: B. A dance
Why: A returning forager performs a waggle dance whose angle and duration encode direction and distance. It was decoded by Karl von Frisch, who received a Nobel Prize for the work.
Answer: C. They have moist, permeable skin
Why: Amphibians breathe partly through thin, moist skin and usually begin life in water. Reptiles have scaly waterproof skin and lay eggs that survive on land.
Creatures & Their Records has 10 questions and takes about 6 minutes to finish. It is rated Easy and sits in our Animals & Wildlife category.
Each of the 10 correct answers adds 10 XP, up to 100 XP for a clean run. Wrong answers cost you nothing, and your full question-by-question review is shown at the end.
Yes. All 10 questions carry a written explanation of why the correct answer is right, so the quiz works as a study sheet as well as a test.
Yes, as often as you like. The questions and the answer options are reshuffled on each run, and you can use Practice Mistakes afterwards to retry only the ones you missed. No account is needed to play.
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