Biodiversity data shows hundreds of unidentified mammals

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At least hundreds of species of mammals are not known to hide from sight around the world, a new study has shown.

The researchers found that most of these hidden mammals were tiny bodies made up of bats, mice, mice, and moles.

These undiscovered mammals are partially hidden because they are small in size and look like animals that have not been seen by living beings, they are very different, says the author. story by Bryan Carstens, professor of evolution, ecology and organismal biology at The Ohio State University.

“It’s harder to make small differences in appearance when you look at a small animal that weighs 10 grams than when you look at something that is a large human,” Carstens said.

“You can’t tell they’re any different unless you do a genetic test.”

The lesson was published today in a journal Proceedings of the National Academy of Sciences.

The team, led by Ohio State graduate student Danielle Parsons, used a supercomputer and machine learning technologies to analyze millions of genes available to the public from 4,310 mammal species, as well as Information on where the animals live, their environment, life history and more. Related information.

This allowed them to construct a predictive model to determine the taxation of mammals possessed by secretory traits.

“Based on our analysis, a conservative view shows that there are hundreds of species of mammals around the world that are unknown,” Carstens said.

That knowledge, in itself, is not surprising to living things, he said. Researchers have described only about 1 to 10% of Earth’s features.

“What we’ve done is something new is a prediction of where these new trends will come from,” Carstens said.

The results showed that there were unusual characteristics in families of small animals, such as bats and mice.

The researchers also predicted that hidden species would be found in larger islands with greater differences in temperature and rainfall.

There may be a lot of hidden creatures in the rain forests, which is not surprising because there are so many mammal species out there.

But most of the unknown species live in the United States, says Carstens. His lab saw some of them. For example, in 2018, Carstens and his graduate student Ariadna Morales published a paper showing the small black bag, found in most of the United States, has five different types. .

That study showed why we need to learn new things. One of the newly isolated bats lives in a very narrow area, in the Great Basin of Nevada – its protection is critical.

“That knowledge is important to people who work in conservation. We can’t avoid a species if we don’t know how to survive. When we name something as a species, it’s a thing. it’s important in law and in other ways…, “Carstens said.

Based on the results of this study, Carstens estimates that about 80% of the world’s mammal species have been identified.

“The terrible thing is that mammals are very well defined compared to cattle or other species,” he said.

“We know more about mammals than a lot of other animals because the bigger they are and the closer to humans, the more interesting we are.”

Other authors include Tara Pelletier, professor of biology at Radford University; and Jamin Wieringa and Drew Duckett, graduate students at Ohio State.


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More information:
Biodiversity data shows that mammal species are hidden in predicted areas. Proceedings of the National Academy of Sciences (2022). DOI: 10.1073 / pnas.2103400119.

Presented by The Ohio State University

Directions: Biodiversity data shows hundreds of unidentified mammals (2022, March 28) Retrieved 29 March 2022 from https://phys.org/news/2022-03-analysis-biodiversity-hundreds- mammals-as-yet .html

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