Tag: IUCN

Tiger numbers throughout much of Asia are on the rise. The International Union for Conservation of Nature estimates between 3,726 and 5,578 tigers roam the continent. Those numbers are up...

The International Union for Conservation of Nature has listed monarch butterflies as endangered due to steep declines experienced over the past decade. Monarchs (Danaus plexippus), which migrate from the United...

Until the mid-1800s, the Jamaican petrel was a common site on the shores of its namesake island. But then came invasive rats and mongooses, and the bird disappeared. Biologists have...

As members of the International Union of Game Biologists gathered for its congress in Budapest last month, they heard a message from TWS President Carol Chambers on the importance of...

Komodo dragons, the world’s largest reptiles, are heading toward extinction, warns the International Union for Conservation of Nature, which has reclassified the species from “vulnerable” to “endangered” on its Red...

The International Union for Conservation of Species has created a new Green Status of Species, intended to measure how close a species is to being fully ecologically functional and how...

Malik Oedin and his colleagues first started to notice unexpected remains of flying foxes turning up in the scat of feral cats in New Caledonia, a French territory in the...

In some wildlife reintroductions, every animal returned to the wild dies. In others, predators released into a nature reserves move to adjacent cattle ranches and prey on livestock. Many translocations...

Invasive species are either the culprits or the accomplice in the extinction of some 300 species across the planet, according to new research.  “It tells us that we have quite...

Southern Africa’s cheetah (Acinonyx jubatus) population is falling, researchers found, and most live on private farmlands where conservation efforts are more difficult. The findings were based on unique research that...