Bat perching upside down in a cave.
Some Bats Buzz Like Hornets to Deter Predators
The behavior is the first example of a mammal mimicking a more-dangerous species.
Some Bats Buzz Like Hornets to Deter Predators
Some Bats Buzz Like Hornets to Deter Predators

The behavior is the first example of a mammal mimicking a more-dangerous species.

The behavior is the first example of a mammal mimicking a more-dangerous species.

predators
a microscope image of mouse fur
Some Mammals May Use Specialized Hairs to Detect Predators’ Heat
Amanda Heidt | Dec 16, 2021
When observed under a microscope, guard hairs from mice resemble optical sensors used in thermal cameras to detect heat, according to a new study.
A gray wolf (Canis lupus) stands in a forest, with the background blurred.
Bill to Greatly Expand Wolf Hunting in Idaho Heads to Governor
Amanda Heidt | Apr 28, 2021
If signed, the law would boost funding for independent contractors to kill wolves and would allow for more than 90 percent of the population in the state to be taken by hunters.
Editor’s Picks of The Scientist’s Best Infographics of 2020
Jef Akst | Dec 15, 2020
This year’s most captivating illustrations tell stories from the micro scale—such as newborn neurons in the adult brain and bacteria in the infant gut—to the scale of entire ecosystems, including reintroduced predators and rising seas.
Gray Wolf Reintroduction in Colorado Encounters Federal Kerfuffle
Lisa Winter | Nov 18, 2020
This month, voters in the state approved the predators’ reintroduction, but the species’ recent delisting as an endangered species at the federal level binds up available funding.
Can Rewilding Large Predators Regenerate Ecosystems?
Katarina Zimmer | Nov 1, 2020
As some conservationists and researchers begin to return large carnivores to areas where they once roamed, scientists intensify efforts to study the ecological roles of predators.
Slideshow: How Ecologists Study the World’s Apex Predators
Katarina Zimmer | Nov 1, 2020
A global decline of large carnivores has motivated scientists to understand the animals’ ecological roles, and consider whether reintroducing them can help restore ecosystems.
Infographic: How Large Carnivores Sculpt Ecosystems
Katarina Zimmer | Nov 1, 2020
The release of gray wolves in Yellowstone decades ago still stands as one of the few examples of a predator reintroduction, and the lessons learned continue to be debated. New projects aim to do it again.
Newly discovered protist is a close relative of red algae
Image Of The Day: Predatory Protists
Nicoletta Lanese | Jul 19, 2019
The protist Rhodelphis limneticus bears little resemblance to its close genetic relative, red algae.
Study: Small Fish Comforted By Big Predators
Tanya Lewis | Apr 28, 2016
Baby fish show fewer signs of stress in the presence of large fish that scare off midsize predators. 
Lightning-Fast Spider Bites
Tanya Lewis | Apr 8, 2016
Trap-jaw spiders have the fastest, most powerful bite of any arachnid, scientists show. 
Contributors
Catherine Offord | Apr 1, 2016
Meet some of the people featured in the April 2016 issue of The Scientist.