A woolly mammoth calf, believed to be female, was found in Canada's Yukon territory buried in ancestral land of the Trʼondëk Hwëchʼin, whose elders named her Nun cho ga, which means "big baby animal" in the Hän language.
Government of Yukon
A bison lays down in front of the Old Faithful geyser in Yellowstone National Park, Wyo., on June 22. A 34-year-old man was gored by a bull bison in Yellowstone this week, suffering an arm injury, park officials said.
Working Dogs for Conservation trainer Michele Vasquez clips a vest onto Charlie, a Labrador retriever, to let him know he's working. Dogs like Charlie will help sniff out chronic wasting disease in deer and elk scat. They will also help find mink and otter droppings that can be tested for toxic substances near illegal dumpsites.
Aaron Bolton/Kaiser Health News
Scientists hope the larvae of the darkling beetle — nicknamed "superworms" — might solve the world's trash crisis thanks to their uncanny ability to eat polystyrene.
The University of Queensland
A dolphin's sense of echolocation allows it to coordinate efforts to hunt prey, see "through" other creatures and form three-dimensional shapes using sound.
Raymond Roig/AFP via Getty Images
A Burmese python sits in the grass at Everglades Holiday Park in Fort Lauderdale, Fla., in 2019. A yearly competition will begin in August for people to hunt and kill the invasive species.
Rhona Wise/AFP via Getty Images