Animals & Nature
Animal Records & Facts Quiz
Fastest, largest, deadliest — the most extreme animals on Earth.
Fastest, largest, deadliest — the most extreme animals on Earth.
The peregrine falcon dives at over 240 mph, the cheetah sprints at 70 mph, and the mantis shrimp strikes faster than a bullet. This quiz draws from a pool of 50 questions on the most extreme animals on Earth -- the fastest, strongest, deadliest, and most bizarre.
Each round presents 10 randomized questions from our pool of 50, ensuring a different mix every time you play. Pick from four multiple-choice answers, get instant feedback with fascinating explanations, and share your score with fellow animal enthusiasts.
Questions cover speed records, size extremes, venom potency, lifespan champions, sensory superpowers, and survival adaptations. You might learn that tardigrades can survive the vacuum of space, or that the horned dung beetle can pull 1,141 times its own body weight.
The peregrine falcon is the fastest animal on Earth, reaching speeds over 240 mph (386 km/h) during its hunting dive, called a stoop. On land, the cheetah holds the record at 70 mph (112 km/h), though it can only maintain this speed in short bursts. In the ocean, the sailfish is the fastest at 68 mph (110 km/h).
The blue whale is the largest animal ever known to have existed, surpassing even the largest dinosaurs. Blue whales can reach 100 feet (30 meters) in length and weigh up to 200 tons. Their hearts are the size of a small car, and a blue whale calf gains about 200 pounds per day during its first year of life.
The Greenland shark holds the record for the longest-lived vertebrate, with some individuals estimated to be over 400 years old based on radiocarbon dating. Among land animals, the Galapagos giant tortoise can live over 175 years. The ocean quahog clam holds the overall animal record -- one specimen named Ming was dated at 507 years old.
Last updated: March 2026