Can Rewilding Large Predators Regenerate Ecosystems?
Can Rewilding Large Predators Regenerate Ecosystems?
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.
Can Rewilding Large Predators Regenerate Ecosystems?
Can Rewilding Large Predators Regenerate Ecosystems?

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.

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.

predation
Infographic: How Large Carnivores Sculpt 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.
Eating Up the Food Chain
Eating Up the Food Chain
The Scientist Staff | Jan 13, 2020
Watch a predaceous diving beetle dine on a tadpole.
Gene Regulation Gives Butterflies Their Stunning Looks
Gene Regulation Gives Butterflies Their Stunning Looks
Katarina Zimmer | Nov 14, 2019
Distantly related, lookalike Heliconius species arrive at the same appearance using the same few genes, but regulated differently, according to recent studies.
Image of the Day: On the Attack
Image of the Day: On the Attack
Chia-Yi Hou | Jul 11, 2019
This caterpillar secretes acid to get past the defenses of the plant on which it preys.
Image of the Day: Acoustic Camouflage
Image of the Day: Acoustic Camouflage
Kerry Grens | Nov 14, 2018
Moths’ scales vibrate in the frequency range of bats’ echolocation calls, perhaps helping the insects to avoid predation.
Image of the Day: Plundered Plover
Image of the Day: Plundered Plover
Jef Akst | Nov 9, 2018
Nest predation of shorebirds that raise young in the Arctic are up threefold since the mid-20th century, and climate change may be to blame, according to a study.
Hawaiian Spiders on Different Islands Evolved Same Disguise in Parallel
Hawaiian Spiders on Different Islands Evolved Same Disguise in Parallel
Catherine Offord | Mar 8, 2018
In an unusual evolutionary twist, local stick spiders have come up with an almost identical repertoire of color morphs in multiple locations.
Image of the Day: Beetle Escapes Toad’s Stomach
Image of the Day: Beetle Escapes Toad’s Stomach
The Scientist Staff, The Scientist Staff | Feb 8, 2018
The bombardier beetle forced its devourer to vomit it out by releasing explosive, toxic chemicals.
Evolution’s Quick Pace Affects Ecosystem Dynamics
Evolution’s Quick Pace Affects Ecosystem Dynamics
Jef Akst | May 1, 2017
From fish harvests to cottonwood forests, organisms display evidence that species change can occur on timescales that can influence ecological processes.
Dragons on the Hunt
Dragons on the Hunt
The Scientist Staff | Apr 30, 2017
Watch Komodo dragons bring down a buffalo.
Scientists Activate Predatory Instinct in Mice
Scientists Activate Predatory Instinct in Mice
Diana Kwon | Jan 15, 2017
A new study reveals how the amygdala is involved in controlling predatory behavior in mice.
Stingrays Chew Too
Stingrays Chew Too
Ben Andrew Henry | Sep 15, 2016
Researchers observe stingrays moving their jaws to grind up prey, a behavior thought to be restricted to mammals.
Week in Review: November 2–6
Week in Review: November 2–6
Jef Akst | Nov 6, 2015
How Ebola hides from immune cells; gut microbes’ role in immunotherapy response; new mechanisms of hearing loss; butterflies use milkweed toxins to ward off predators
Behavior Brief
Behavior Brief
Karen Zusi | Oct 22, 2015
A round-up of recent discoveries in behavior research
How Boas Kill
How Boas Kill
Amanda B. Keener | Jul 23, 2015
Boa constrictors hunt by cutting off their preys’ blood supplies, not by suffocation, a study shows.
Behavior Brief
Behavior Brief
Jenny Rood | Apr 8, 2015
A round-up of recent discoveries in behavior research
Butterfly Eyespots Deflect Predation
Butterfly Eyespots Deflect Predation
Bob Grant | Nov 12, 2014
Researchers show that patterned coloration can be an effective means of distracting predators from vital body parts.
Biodiversity = More (and Better) Coffee
Biodiversity = More (and Better) Coffee
Bob Grant | Feb 11, 2014
Study finds that coffee plants grown in the vicinity of Mount Kilimanjaro produce more coffee beans of a better quality if they are surrounded by thriving plant and animal communities.
Snakes on a Visual Plane
Snakes on a Visual Plane
Tracy Vence | Oct 28, 2013
Researchers detect neurons in the macaque brain that selectively respond to images of reptilian predators.