The world's fauna is more threatened than it is believed, reveals a study

The wild life of the world can be in more problems than scientists have reported so far, suggests new research published in the journal Communications Biology.

Although scientists have assessed the situation of more than 147 thousand plants and animals, there are thousands of species that are considered too “data deficient” for a full evaluation. Therefore, these species have not been included in the list of threatened species or endangered, which is updated every year by the International Union for Conservation of Nature (IUCN).

Among these undervalued species are the toothed predator of the ocean, the orca, along with the pink armadillo of Argentina and almost 200 species of bats of all the world.

But in some cases, the lack of data itself is an alarm signalsince it suggests that the species may be difficult to find because its population has decreased according to a team of international scientists who used data on environmental conditions and human threats to map patterns of extinction threat among assessed species.

The team then examined the 7,699 undervalued species and calculated that about 56% faced conditions that probably also put them at risk. Danger of extinctionaccording to the study.

This supposes nearly double the 28% of world species Classified as “endangered” by the IUCN.

There are millions more species of plants and animals than have ever been reviewed by the IUCN, and scientists estimate that around a million of them are in danger of extinctionaccording to a 2019 report by the UN Intergovernmental Science-Policy Platform on Biodiversity and Ecosystem Services.

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Of the endangered plants and animals with “lack of data”, many “are esmall-sized species in remote places”with many in central Africa, Madagascar and southern Asia, said study author Jan Borgelt, an ecologist at the Norwegian University of Science and Technology.

The state of nature “could be worse than we think if these predictions come true,” he said.

The worst situation is probably that of the amphibians underestimated, since it is estimated that a 85% are threatened, according to the study.

Species classified by the IUCN as threatened or endangered are often the subject of protection by national governments.

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