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Biodiversity

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Biodiversity is a term used to describe the enormous variety of life on Earth. It can be used more specifically to refer to all of the species in one region or ecosystem. Biodiversity refers to every living thing, including plants, bacteria, animals, and humans. Scientists have estimated that there are around 8.7 million species of plants and animals in existence. However, only around 1.2 million species have been identified and described so far, most of which are insects. This means that millions of other organisms remain a complete mystery.

Over generations, all of the species that are currently alive today have evolved unique traits that make them distinct from other species. These differences are what scientists use to tell one species from another. Organisms that have evolved to be so different from one another that they can no longer reproduce with each other are considered different species. All organisms that can reproduce with each other fall into one species. Read more...

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Africa’s smallest wildcat found using abandoned rodent burrows to raise kittens (news.mongabay.com)
submitted 10 hours ago by supersquirrel@sopuli.xyz to c/biodiversity@mander.xyz
4 comments fedilink hide all child comments
 

cross-posted from: https://news.abolish.capital/post/67645

Africa’s smallest wildcat uses abandoned springhare burrows to raise its kittens, according to new research. There are fewer than 10,000 black-footed cats (Felis nigripes) left in the wild and studies on these nocturnal animals are rare. To learn more about them, a team of researchers tracked five female black-footed cats (Felis nigripes) with radio collars and scanned more than 50 burrows in southern Namibia between 2020-21. The research found that 98% of the dens used by the cats had originally been dug, then abandoned, by springhares (Pedetes capensis), an endemic rodent which looks like a cross between a small kangaroo and a rabbit. The cats depend on springhares to provide the underground dens where the felines raise their kittens for the first six to seven weeks of life.  “I can’t prove black-footed cats would disappear without springhares, but at this site they would be much more vulnerable,” Harold Brindley, the study’s lead author and a researcher at the University of Cape Town, South Africa, told Mongabay contributor María de los Ángeles Orfila. F. nigripes in a springhare burrow in southern Namibia. Image courtesy of Harold Brindley. Researchers used laser-based, remote-sensing technology to measure tunnel dimensions and determine which species created them. The cats selected burrows with tunnel entrances between 10 and 27 centimeters (4 and 11 inches) in diameter. They ignored smaller rodent holes and larger aardvark or porcupine burrows. After the kittens reached about seven weeks of age, mothers typically transitioned from staying in one location for nearly a…This article was originally published on Mongabay

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