Quiz
Animal Records Quiz
The heaviest, the deepest, the fastest eater and the biggest eyes on the planet. 12 questions about animal world records – how many do you know?
Animal Records Quiz
12 questions. Answers come right away, your score at the end.
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Question 1 / 12
Which animal is the heaviest invertebrate (animal without a backbone) on Earth?
The record specimen weighed about 495 kg – and bigger ones almost certainly exist.
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Question 2 / 12
The largest eyes in the animal kingdom belong to the colossal squid. About how big are they?
About 27 cm across – roughly the size of a football.
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Question 3 / 12
What is the largest living lizard on Earth?
Males average about 2.6 m, and the record is 3.13 m.
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Question 4 / 12
Which animal has the longest legs of any arthropod – the group that includes all insects, spiders and crabs?
Its leg span can reach 3.7 m – wider than a car.
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Question 5 / 12
Which mammal is the fastest eater in the world?
It can identify and swallow a snack in about a fifth of a second. (Hummingbirds are fast too – but they’re birds.)
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Question 6 / 12
The naked mole-rat is the longest-living rodent on record. How old has one lived to be?
That’s about ten times longer than a mouse. And it almost never gets cancer.
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Question 7 / 12
Which is the deepest-living octopus known?
In 2020 one was filmed almost 7 km down in the Java Trench. (And the vampire squid isn’t an octopus.)
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Question 8 / 12
What is the tallest wild member of the dog family?
About 90 cm at the shoulder, thanks to legs that look like stilts – and it’s neither a wolf nor a fox.
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Question 9 / 12
The axolotl has one of the largest genomes ever sequenced. How does it compare with a human’s?
About 32 billion DNA letters – for an animal that refuses to grow up.
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Question 10 / 12
Tardigrades have survived temperatures down to about…
They’ve also survived ten days in open space and about 150 °C of heat.
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Question 11 / 12
How many hearts does a hagfish have?
Four hearts, no jaws – and the ability to fill a bucket with slime in a second.
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Question 12 / 12
The mantis shrimp has one of the fastest strikes in the animal kingdom. What does its punch do to the water?
So prey gets hit twice: once by the club and once by the shockwave.
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