In 1991, America listed the razorback sucker as endangered; 35 years later, it has been moved to threatened after one population reached about 36,000 adults
The razorback sucker was first listed as an endangered species in 1991. US Fish and Wildlife Service has announced that the species will no longer be listed as endangered. Instead, it has been reclassified as threatened under the Endangered Species Act.Government agencies, tribal groups, conservation programmes, researchers and private organisations worked together for years to…