Large herbivores dominated the Earth's land ecosystems for several million years before suffering significant extinctions and declines over the past 100,000 years or so.
Counts of Mexican gray wolves in the southwest reveals numbers have increased 24 percent year-on-year. Conservationists say this is good news, but more needs to be done to increase genetic diversity.
Find out how to help endangered species in the U.S., including the Florida Panther and the Loggerhead sea turtle.
Yellowstone bison have started their yearly migration out of Yellowstone. Park officials have said that 600 to 900 animals are due to be removed this winter.
Unama'ki has been in the Gulf of Mexico since October and now appears to be inching closer to the Florida coast. Researchers hope she will lead them to a new white shark nursery.
"The most interesting about bees is their communication," said entomologist Morgan Carr-Markell.
Police are offering a reward of up to $20,000 to anyone who shares information that leads to those responsible.
Earth's tropical forests are "time capsules" of human history stretching back hundreds of years.
The drug lord imported four hippos into the country, which were housed in his private zoo.
The duck-billed mammal is currently listed as Near-Threatened on the IUCN Red List.
Despite a storied past, falconry in the Mediterranean archipelago nation fell into decline. But a recent revival offers a thrill to visitors, who stand to play an integral role in efforts to protect the peregrine falcon.
The reports are unconfirmed but park officials have launched an investigation following eyewitness accounts and other evidence that "strongly suggests" a pack of wolves are living in Colorado.
William Perry Pendley, the acting director of the Bureau of Land Management, has been asked to step down or be removed from his position by a coalition of 91 groups who say he has demonstrated his "lack of fitness to lead it."
Knowing an animal's normal lifespan is hugely important for conservation efforts, but it's harder to find out than you'd think.
An English conservation group responded angrily to the news that three baby seals died after people refused to heed the warnings of experts who suggested they should not interact with the animals.
The Trump administration's U.S. Forest Service has allowed Canadian mining company Midas Gold to write their own environmental assessment for a controversial proposed gold mine in Idaho, according to The Associated Press.
Researchers found concentrations of mercury among lions in coastal populations were three times as high as those in inland areas.
Researchers in Iran were given sentences for up to ten years after being arrested on charges of being American spies.
Trackers went "crazy" over the weekend, says OCEARCH, a marine conservation nonprofit, as great white sharks migrated from Canada to the Gulf of Mexico for the winter.
For animal species to survive climate change, they will have to genetically adapt or shift their ranges—or both.
"The tourism industry, desperate to maintain tourist numbers, is looking beyond the natural beauty of the reef because it's not quite what it was," said dive operator Tony Fontes.
As corporations shift to focusing on environmental and social sustainability, Intrepid Travel is ahead of the curve.
The Pangolin, quite possibly one of the strangest and most unique animals in the world, is on the verge of extinction.
President Donald Trump has eviscerated the Endangered Species Act at the worst possible time for wildlife and the planet. And humans will ultimately pay the price.
Despite public outcry, canned lion hunts are still big in South Africa and the perpetrators often hide under the conservationist umbrella.
A post-mortem examination conducted by the Cetacean Strandings Investigation Programme suggests the animal was killed deliberately.