Populations of 48% of bird species are in decline

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Egyptian vulture, a small vulture in danger of extinction.

May 17, 2022 at 2:59 p.m.,

Reading time: 1 minute

Animals

There are fewer and fewer birds. A study published on May 5 in the scientific journal Annual Review of Environment and Resources shows that their populations are plummeting at an alarming rate around the world. Populations of 48 % of species are in decline (proven or suspected). Populations of only 9 % of species are increasing, and the status of 7 % of them is unknown. Populations of the remaining species are stable. Among the (very) many species that are becoming extinct: the Egyptian vulture, the giant ibis, the dove of Granada, the blue-cheeked Amazon…

These results do not bode well for the rest of life. Birds are highly visible and sensitive indicators of environmental healthconservation specialist Ken Rosenberg said in a statement. We know that their loss is a sign of a much greater loss of biodiversity, posing many threats to human health and well-being. »

The causes of this collapse are well known: fragmentation of habitats, destruction of natural areas, artificialization of soils, hunting, pollution, pesticides, climate change… The degradation of places where birds live is often caused by resource demand »observes Alexander Lees of Manchester Metropolitan University. We need to take better account of how commodity flows contribute to biodiversity loss, and try to reduce the human footprint on the natural world. »

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