Good news, the population of tigers “seems to be increasing” in the wild

They certainly remain an endangered species, but the horizon seems to be clearing up. Wild tigers are 40% more in the world than previously thought and the population of Panthera tigris “seems to stabilize or even increase”, this Thursday, July 21, reveals the International Union for the Conservation of Nature (IUCN). The last assessment of the world’s population of tigers living in the wild was in 2015, and the new census put the number of these elegant cats with orange fur striped in black between 3,726 and 5,578.

This jump of 40% “explained by improvements in tracking techniques that show that there are more tigers than previously thought and that the number of tigers in the world appears to be stable or increasing”writes the IUCN in its update of its Red List of Threatened Species, which refers.

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“Population trends indicate that projects such as the IUCN Integrated Tiger Habitat Conservation Program are effective and that recovery is possible as long as conservation efforts continue”notes the IUCN, which has more than 1,400 member organizations.

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However, the tiger is not out of the woods and remains an endangered species. “Major threats include poaching of tigers, poaching and hunting for their prey, and habitat fragmentation and destruction due to increasing pressure from agriculture and human settlements”emphasizes the IUCN.

“To protect this species, it is important to expand and connect protected areas together, to ensure that they are managed effectively and to work with communities living in and around tiger habitats.”she adds.

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fallen monarch

On the other hand, the migrating monarch butterfly, a majestic butterfly capable of traveling thousands of miles each year to reproduce, has joined the IUCN Red List, largely due to climate change and its destruction. habitats.

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On the other hand, the migratory monarch butterfly, a subspecies of the monarch butterfly (Danaus plexippus), has seen its population in North America decline “between 22% and 72% over the last decade”notes the IUCN.

“This red list update highlights the fragility of natural wonders, such as the unique sight of monarch butterflies migrating thousands of miles”said Dr. Bruno Oberle, Director-General of the IUCN, quoted in a press release.

Deforestation, deforestation but also pesticides and herbicides “kill butterflies and milkweed, the host plant that monarch butterfly larvae feed on”adds IUCN.

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“It is painful to see monarch butterflies and their extraordinary migration sway on the brink of collapse”says Anna Walker of the New Mexico BioPark Society, who led the assessment of monarch butterflies. The western population has declined by about 99.9% since the 1980s. The larger eastern population has fallen by 84% between 1996 and 2014.

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“Whether there are enough butterflies left to sustain stocks and prevent their extinction remains a problem”, warns the IUCN. To Anna Walker, “there are signs of hope” in mobilizing the public and organizations to try to protect this butterfly and its habitats.

Sturgeon and belugas threatened

The situation for sturgeon – also migratory – has also gone from bad to worse, including that of the white whale, which according to this list is known for its eggs made for caviar and its meat. “All sturgeon species that are still alive in the northern hemisphere, including migratory ones, are now threatened with extinction due to dams and poaching.”notes the IUCN.

Of the world’s remaining 26 sturgeon species, 100% are now threatened with extinction, a steeper decline than previously thought due to poaching or migration barriers. The sea urchin (Acipenser dabryanus) has been moved from critically endangered to extinct in the wild. The review also confirmed the extinction of the Chinese paddlefish (Psephurus gladius).

The Red List classifies species into one of eight threat categories. A total of 147,517 species were assessed in the latest version, with 41,459 species considered endangered: of these, 9,065 are critically endangered; 16,094 are at risk and 16,300 are considered vulnerable. The Red List was created in 1964 and includes 902 species that are now extinct and 82 species that are extinct in the wild.

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