The largest animal: the blue whale (the female of the largest subspecies, the southern blue whale, is 26 meters long and weighs 12 tons on average, and the largest individual is 33.58 meters long and weighs 239 tons)
The animal with the warmest fur: the polar bear
The cleverest animal: the dolphin (except human, the brain of which is even bigger than human)
Up to 2 meters)
The fastest animal running on land: cheetah (up to 13 kilometers per hour)
The fastest animal flying: sharp-tailed swift (up to 1 meters per second)
The animal with the greatest bite force now: crocodile (more than 1 ton per square centimeter)
The animal with the greatest bite force ever: Megalodon (Megalodon). P > Largest jellyfish: Arctic Cyanomedusa (umbrella cover can reach 2.5 meters in diameter)
The lowest multicellular animal: Sponge
The animal with the most teeth: snail (* * * has 25,6 teeth)
The largest spider: tarantula (the maximum body width is 35 cm, Weighing 2 grams)
The longest mollusk: cuttlefish (up to 17 meters)
The animal with the most feet: millipede (7 feet)
The animal with the longest hibernation time: Dormouse (hibernating for 5-6 months)
The animal with the shortest lethal time of toxin: Australian square jellyfish
The animal with the longest lifespan: That is, they will never die)
Extended information
Insect:
The longest insect: stick insect (the longest is more than 3 cm)
The most exquisite insect: bee
The insect with the strongest flying ability: locust (which can fly for nearly 1 hours every day)
The fastest crawling insect: cockroach
The one with the most eyes. Three million people were killed by the diseases they spread)
The most powerful insect: dung beetles (who can support or drag away an object 1141 times his own weight)
Reference: Baidu Encyclopedia-the world's largest living thing.