Science Fact Finder | The Animal World - What Are The Largest And Smallest Living Animals?

What are the largest and smallest living animals?

Although the ostrich is considered the largest living bird, many extinct species of birds were even larger. Before becoming extinct, the flightless New Zealand moa and the Madagascar elephantbird both stood 10 feet (3 meters) tall.

Largest animals	Name	Length and weight
Mammal	Blue or sulphur-bottom whale (Balaenoptera musculus)	100 to 110 feet (30.5 to 33.5 meters) long; weighs 135 to 209 tons (122.4 to 189.6 tonnes)
Land mammal	African bush elephant (Loxodonta africana)	Male is 10.5 feet (3.2 meters) tall at shoulder; weighs 5.26 to 6.2 tons (4.8 to 5.6 tonnes)
Living bird	North African ostrich (Stuthio camelus)	8 to 9 feet (2.4 to 2.7...

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