Declaring an animal to be extinct in a particular location meets a series of criteria set by the International Union for Conservation of Nature and Natural Resources (IUCN).
NS Follow the thread Act g 1 Everton researcher and biologist Miranda gave an interview about the disappearance of some animals. Among the extinct species is the ivory-billed woodpecker, which was the inspiration for the character in the cartoon Pica-Pau. (Watch the full program in the video above)
“Extinction is a natural process that occurs in nature usually at very low rates. We call background rates rates of extinction, which is the natural rate of species loss. What humans are doing — the process of destroying, destroying, and removing the planet’s natural vegetation to produce meat and vegetables — is accelerating this,” Miranda said. the average.
Here are the guidelines analyzed by the IUCN for the classification of species:
- how much the population has decreased over three generations or what is the expected decrease in population over the next three generations;
- Presence and size of the area it occupies;
- The size of the population of mature individuals (ready for breeding);
- Quantitative analyzes showing the possibility of extinction in nature in the next three generations.
The ivory-billed woodpecker on display at the California Academy of Sciences – San Francisco. Photo taken September 24, 2021 – Photo: Haven Daley / AP Photo and Disclosure
Moreover, according to the IUCN, the species can be classified into eight categories:
- extinct in nature
- in danger;
- almost threatened
- less worrisome and
- lack of data.
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Following the extinct woodpecker’s wire – Photo: clone / g1
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