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Nov 30, 2022 · Researchers have come up with wide-ranging estimates for how many species there are. As May points out, this ranges anywhere from 3 to well over 100 million – many orders of magnitude of difference. Some more recent studies estimate that this figure is as much as one trillion.
Oct 8, 2023 · We can (extremely roughly) estimate that, including other arthropods, invertebrates and vertebrates, there have been approximately 4.5 x 10^27 animals ever on Earth.
3 days ago · There is something amazing about being outside and seeing how many different animals, insects, birds, fish, and more are actually present in our world. The living wild species that exist around the globe continually change, and new species are identified almost daily.
Aug 4, 2017 · Sticking to the species we do know about, let's look at some amazing numbers for particular groups of animals. Scientists believe there are over seven billion humans in the world today. That's a staggering number, but there are more chickens (over 18 billion) than humans.
The estimated number of animal species on our planet falls somewhere in the vast range of three to 30 million. How do we come up with that whopping estimate? Let's take a look at the major groups of animals to see how many species fall within the various categories.
Mar 31, 2021 · The researchers compiled data from more than 32,000 terrestrial vertebrates using the Map of Life — a global database of known species and their distributions, a project led by Jetz — to figure out what species have yet to be described and where they are.
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Mar 20, 2018 · There are approximately 1.2 million known species of animals, but scientists estimate there are closer to 8.7 million species on earth.
