Animals
Taxonomy
- domain 域
- kingdom 界
- phylum 门
- class 纲
- order 目
- family 科
- genus 属
- species 种
Vertebrates and Invertebrates
Vertebrates
- Mammals
- Birds
- Reptiles: turtles, tortoises, lizards, snakes, crocodilians
- Amphibians: frogs, toads, salamanders, newts
- Fish
Invertebrates:
- Worms: flatworms, roundworms, segmented worms
- Arthropod (节肢动物): insects, centipedes, crabs, spiders, scorpions
- Mollusks (软体动物): slugs, snails, octopuses, squid, oysters, clams
- Echinoderms (棘皮动物): starfish
- Cnidarians (刺胞动物): jellyfish, hydroid(水螅) sea anemones(海葵) corals
World Records
Fastest
- Fastest on land: cheetah, up to 70 mph (112 kph)
- Fastest bird: peregrine falcon, up to 200 mph (325 kph) when diving
- Fastest bird on land: ostrich, up to 45 mph (73 kph)
- Fastest fish: sailfish up 68 mph (110 kph)
- Fastest mammal in water: the Dall's porpoise, up to 35 mph (56 kph)
- Fastest shark: mako shark, from 31 mph(50 kph) to 59 mph (95 kph)
Slowest
- Slowest animal: slugs, max speed 0.03 mph (0.05 kph)
- Slowest reptiles on land: giant tortoises, max speed 0.12-0.3 mph (0.2-0.5 kph)
- Slowest fish: seahorses, 0.0006 mph (0.001 kph)
- Slowest land mammals: three-toed sloths, top speed 0.15 mph (0.24 kph)
- Slowest flying birds: American woodcocks, top speed 5 mph (8 kph)
Largest
- Largest animal: blue whale. Females can grow to a length of 89 ft (27 m) and weight more than 100 tons.
- Largest animal on land: African savanna elephant, up to 13ft (4 m) tall at the shoulder, more than 22,000 lb (10,000 kg)
- Largest fish: whale sharks, around 39 ft (12 m) in length
- Largest reptile: the saltwater crocodile, 20ft (6 m) long
- Largest invertebrate: colossal squids, length of 43 ft (13 m) and weight of 1,090 lb (495 kg)
- Largest invertebrate on land: coconut crab / robber crab, legspan 30 in (76 cm)
- Largest amphibian:the Chinese giant salamander, 6 ft (1.8 m) in length, and 110 lb (50 kg) in weight
- Largest wingspan: the wandering albatross, 11.5 ft (3.5 m)
- Largest animal colony: Argentinian ants, over 3,750 miles (6,000 km) between Portugal and Italy
- Largest structure built by living creatures: Australia's Great Barrier Reef, 1,430 miles (2,300 km) long, covering an area of 133,000 sq miles (344,000 sq km).
"Wrong" names
- 喙(Huì)头蜥不是蜥蜴（Lizard）
- 鲸鱼不是鱼，是哺乳动物；虎鲸（orca）是海豚。
- Horseshoe crabs (鲎 Hòu) are not crabs. They are most closely related to arachnids (spiders and scorpions)