Unlike the oceans, almost every corner of Earth's land has been visited by people. Using the latest technology, scientists can even explore remote places that are difficult for us to travel to, such as areas that are very cold, very wet, very dry, or very high.

But take a regular person a bit further away from their home, and we will soon start feeling as if we're entering the great unknown. Terra incognita for our knowledge and experience.

So in an attempt to accentuate the beauty of Mother Nature, let's take a look at the wonderful creatures who inhabit it. The Twitter account 'Weird Animals' is excellent for such a task. It posts photos of species most have never even heard of, and they really help to achieve the goal of 'Weird Animals,' specified in the account's bio section, which is to highlight the wonders of evolution and the extraordinary diversity of life.

More info: Twitter

As you can see, our planet really is home to an incredible diversity of creatures.

According to the team at Our World in Data, a scientific online publication that focuses on large global problems such as poverty, disease, hunger, climate change, existential risks, and inequality, there are several ways we can answer the question of how much life is on Earth.

We could, for instance, count the number of species, population sizes or the number of individual organisms, but these metrics can make it difficult to compare between taxa: small organisms may have a large population but still account for a very small percentage of Earth's organic matter.

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Mimi La Souris
Community Member
7 months ago Created by potrace 1.15, written by Peter Selinger 2001-2017

and this solves the ancestral question: they are black with white stripes

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For a meaningful comparison, we can, instead, look at biomass—it is measured in tonnes of carbon as it is a key building-block of life. In this case:

  • plants – mainly trees – dominate Earth: they account for more than 82% of biomass;
  • surprisingly in second place is the life we cannot see: tiny bacteria sum up to 13%;
  • whilst our perceptions are often focused on the animal kingdom, it accounts for only 0.4%;
  • humans make up just 0.01% of biomass, so we'd need about 70 trillion of us to match the Earth’s collective biomass.
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I'll think of a username soon
Community Member
7 months ago Created by potrace 1.15, written by Peter Selinger 2001-2017

Awwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwww!

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But if we want to get more specific, then we can start with the International Union for Conservation of Nature (IUCN) Red List. It tracks the number of described species and updates the figure annually based on the latest work of taxonomists.

In 2021, it listed 2.13 million species on the planet, including 1.05 million insects, over 83,000 mollusks, over 11,000 birds, and over 6,000 mammals. These figures, however, might be a bit too high. This is because some species end up being synonyms – the description of already-known species, simply given a separate name.

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varwenea
Community Member
7 months ago Created by potrace 1.15, written by Peter Selinger 2001-2017

Looks like it could inspire a Fantastic Beast creature.

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There is a continual evaluation process to remove synonyms (and most are eventually), but often, species are added at a faster rate than synonyms can be found and removed.

To get a sense of how big this problem is, consider this: one study estimated that around 20% of the described species were undiscovered duplicates. The paper estimated that the 1.9 million described species at the time was actually closer to 1.5 million unique species.

If we were to assume this 20% figure to be true, our 2.12 million described species might actually be closer to just 1.7 million.

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Imperfect Panda
Community Member
7 months ago Created by potrace 1.15, written by Peter Selinger 2001-2017

These happy looking Momma’s will sometimes toss their babies out of their pouches when being chased by a predator though in order to slow it down and get away. Pretty sure I read that in some other Panda feed.

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Either way, academics believe that these numbers are still an underestimate. One of the most widely-cited figures comes from Camila Mora and colleagues. They suggest that there are around 8.7 million species on Earth today, with 2.2 million of them living in the ocean.

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Nathaniel
Community Member
7 months ago Created by potrace 1.15, written by Peter Selinger 2001-2017

Mmmm, are those boy bats? Are those the love spuds we can see?

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As Robert May said in a paper published in Science:

"If some alien version of the Starship Enterprise visited Earth, what might be the visitors' first question? I think it would be: 'How many distinct life forms—species—does your planet have?' Embarrassingly, our best-guess answer would be in the range of 5 to 10 million eukaryotes (never mind the viruses and bacteria), but we could defend numbers exceeding 100 million, or as low as 3 million."

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Casey Burns
Community Member
7 months ago Created by potrace 1.15, written by Peter Selinger 2001-2017

And they're being illegally eaten to extinction in China.

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At first, it doesn't seem like a big deal, but the fact that there are so many species that we've yet to discover has real consequences for our ability to understand changes in global biodiversity and the rate of species extinctions. If we don't know that certain species exist, we also don't know that they might have, or will soon, disappear. Some animals will inevitably go extinct before we realize that they existed.

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Michelle M
Community Member
7 months ago Created by potrace 1.15, written by Peter Selinger 2001-2017

Not rodents, closely related to moles, exclusively found in Africa, lifespan of 4 - 5 years.

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Mistiekim
Community Member
7 months ago Created by potrace 1.15, written by Peter Selinger 2001-2017

The body looks like a drawing - something done with a black pen.

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Casey Burns
Community Member
7 months ago Created by potrace 1.15, written by Peter Selinger 2001-2017

I hope they aren't endangered because of us. Because how could anyone hurt something so beautiful?

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Cassandra Dorman
Community Member
7 months ago Created by potrace 1.15, written by Peter Selinger 2001-2017

This is the only picture I have found where it's body is flat. Yet the picture looks real, so I guess the snake is able to flatten if the are scaling an edge and need to keep balanced.

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Roborowski
Community Member
7 months ago Created by potrace 1.15, written by Peter Selinger 2001-2017

With the emoticons on the wings it shows that it smiles

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Jennik
Community Member
7 months ago (edited) Created by potrace 1.15, written by Peter Selinger 2001-2017

Related to the potoo (I'm not joking this time - it really is)

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meh
Community Member
7 months ago Created by potrace 1.15, written by Peter Selinger 2001-2017

"Xenodermus", they are non-venomous I think small in size too.

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Note: this post originally had 130 images. It’s been shortened to the top 50 images based on user votes.