How many penguins live on Earth?

Answer Tens of millions of penguins live on Earth, but the exact number is difficult to pinpoint. Some estimates put the total penguin population at 100 million. Penguins come in at least 17 different var... Read More »

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How many people live on the earth?

There are an estimated 6.8 billion people living on earth as of 2010. The population of the world has a net growth of approximately two to three people per second, accounting for both births and de... Read More »

How many manatees are there on Earth?

The West Indian Manatee is most populous near Florida, where recent surveys have seen approximately 5,100 manatees in January 2010. Outside of Florida, however, little is known about the manatee po... Read More »

How many reptiles live on the earth?

Reptiles were once dominant on the Earth. However, after years of evolution and many climatic changes, reptiles number fewer than in the past. Although new species of reptiles continue to be identi... Read More »

How many manatees are left on Earth?

According to, some 3,800 manatees remain in the United States. Outside the U.S., little is known about the manatee population. The manatee is still an endangered species, despit... Read More »