Times Earth witnessed species disappear and miraculously reappear

Many rare animal species have been discovered after many years of disappearance, bringing hope for biodiversity protection.

Scientists have recently announced the discovery of a new species of fish, Moema claudiae, in a small pond in the Mocovi River basin in Bolivia. This rare fish was found 20 years after it was thought to be extinct. Photo: Heinz Arno Drawert and Thomas Otto Litz. | Heinz Arno Drawert and Thomas Otto Litz.

Previously, experts and scientists have discovered a number of rare species that were thought to be extinct for many years. Among them, the reappearance of the "donkey-headed wolf" (also known as the donkey-headed hunting dog) - a rare animal that was thought to have been extinct for about 500,000 years. This rare animal was discovered in the Shennongjia area, China. Photo: Internet.

In August 2025, an automatic camera trap system located in the strictly protected area of ​​Phong Nha - Ke Bang National Park, Quang Tri province, recorded 424 photos of Truong Son rock rats at 10 different trapping stations. This species was once thought to be extinct more than 11 million years ago. Photo: Nguoi lao dong.

In July 2025, the Attenborough long-beaked echidna - a rare animal thought to be extinct for more than 60 years - was unexpectedly discovered in Indonesia's Cyclops Mountains. This is a small mammal belonging to the echidna family. Photo: Cyclops Expedition, 2023.

Wild beavers, thought to have disappeared from the UK around 400 years ago, have appeared on a river in Wales in May 2025. Photo: BBC.

In February 2025, researchers announced the discovery of a rare fish species that was thought to be extinct after not being recorded for more than 80 years. It is the Chel snakehead fish, also known as Channa amphibeus. Specimens were found on the banks of the Chel River in the town of Kalimpong, West Bengal. Photo: Instagram.

On January 12, 2025, Xuan Lien Nature Reserve (BTTN), Thanh Hoa province announced that field results on routes, points and camera traps identified 11 individuals of Pu Hoat Mang. These are the first images of this species since it was described in 1929. This species was previously thought to be extinct nearly 100 years ago. Photo: Tien Phong.

Readers are invited to watch the video: Discovering many new species in the Mekong River Region. Source: THĐT1.

Source: https://khoahocdoisong.vn/nhung-lan-trai-dat-chung-kien-loai-bien-mat-roi-tai-xuat-than-ky-post2149071663.html