A vole in a green grass field.
Voles Trim Tall Grass to Prevent Attacks
Mongolian rodents join the ranks of earthworms and beavers as known ecosystem engineers.
ABOVE: Guoliang Li
Voles Trim Tall Grass to Prevent Attacks
Voles Trim Tall Grass to Prevent Attacks

Mongolian rodents join the ranks of earthworms and beavers as known ecosystem engineers.

Mongolian rodents join the ranks of earthworms and beavers as known ecosystem engineers.

ABOVE: Guoliang Li

predator

A puma walking through the woods at night
Pandemic Lockdown Eases Mountain Lions’ Fear of Urban Areas
Jef Akst | Jul 2, 2021
Six GPS-tracked wild cats wandered closer to Santa Cruz, California, and surrounding towns as human activity died down under shelter-in-place orders last March.
A gray wolf runs along a road on a dreary day with pine trees in the distance
Few Car Crashes with Deer in Wisconsin, Perhaps Thanks to Wolves
Jef Akst | May 25, 2021
In areas where gray wolf populations have grown, motorists have fewer collisions with deer, likely due to the predators keeping deer away from roadways.
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.
elephant herbivore extinction risk predator omnivore iucn red list
Risk of Extinction Is Greatest for Large Herbivores: Study
Ruth Williams | Aug 5, 2020
Data on vertebrate species that have become, or are likely to become, extinct reveal plant eaters are most under threat.
Image of the Day: Tiny Dinosaur
Amy Schleunes | Mar 16, 2020
A roughly 99-million-year-old piece of amber from northern Myanmar contains the skull of what appears to represent the smallest known dinosaur of the Mesozoic era.
diving beetle eggs
Diving Beetle Adults and Larvae Dismember, Eat Tadpoles: Study
Catherine Offord | Jan 13, 2020
The invertebrate predators prey on and lay their eggs near emerging tadpoles, potentially threatening the conservation of endangered frogs, researchers find.
Herennia multipuncta spider coloration evolution predator prey
Spider’s Orange Colors Both Lure Prey and Frighten Predators
Jake Buehler | Apr 22, 2019
Spotted coin spider colors are a Swiss army knife of deception, bringing food closer, and keeping assailants at bay.
Image of the Day: A Good Egg
Sukanya Charuchandra | Jul 18, 2018
Osprey numbers are recovering after a drop in contaminants in the Delaware Estuary.
The Caterpillar that Cries Wolf
Mary Bates | Sep 22, 2017
In a case of acoustic deception, caterpillars mimic bird alarm calls to defend themselves.
Image of the Day: Messy Eater
The Scientist Staff | Jul 6, 2017
The Jurassic predator Razanandrongobe sakalavae used its colossal, ragged teeth to rip through the muscles and bones of its prey. 
Butterflies Weaponize Milkweed Toxins
Geoffrey Giller | Nov 4, 2015
Monarch and queen caterpillars store toxic compounds from their milkweed diet to ward off predators into adulthood, a new study suggests.
Pupil Alignment of Predators and Prey
Amanda B. Keener | Aug 11, 2015
Ambush predators are more likely to have vertical slit pupils, while foraging animals tend to have horizontal ones, a study shows.
Saw-toothed Dinos
Amanda B. Keener | Jul 29, 2015
Microscopic analysis of carnivorous dinosaur teeth reveals specialized serrated edges.
Panic of the Disco Clam
Jenny Rood | Jan 6, 2015
The mollusk’s flashy tactics scare off predators.
Behavior Brief
Molly Sharlach | Dec 18, 2014
A round-up of recent discoveries in behavior research
Predator Demoted
Jef Akst | Oct 1, 2014
Extinct, giant arthropods, long assumed to be top predators of ancient seas, didn’t have sharp enough eyesight to be refined hunters.
Capsule Reviews
Bob Grant | May 1, 2014
Madness and Memory, Promoting the Planck Club, The Carnivore Way, and The Tale of the Dueling Neurosurgeons