Green frog in tree with green leaves
For Frogs, Bigger Brains Mean Worse Camouflage
Frogs invest in cognitive capacity to avoid predators—up until there are too many hungry snakes around for the evolutionary strategy to pay off.
For Frogs, Bigger Brains Mean Worse Camouflage
For Frogs, Bigger Brains Mean Worse Camouflage

Frogs invest in cognitive capacity to avoid predators—up until there are too many hungry snakes around for the evolutionary strategy to pay off.

Frogs invest in cognitive capacity to avoid predators—up until there are too many hungry snakes around for the evolutionary strategy to pay off.

camouflage
Photo of a Jewel beetle <em>(Sternocera aequisignata)</em>.
Why Are Some Beetles Shiny? It’s Not What Researchers Thought
Connor Lynch | Mar 1, 2022
The glossy shell of some beetles, it has long been speculated, helps hide the insects from predators. A recent paper put the hypothesis to the test—and found it wanting.
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: Brand New Pyjamas
The Scientist Staff | Aug 23, 2017
As it matures, this chromatophore-clad pyjama squid (Sepioloidea lineolata) hatchling will learn to use the color-changing cells that adorn its body to alter its appearance.
Image of the Day: Not a Leaf
The Scientist Staff | Jul 26, 2017
With brown splotches artfully strewn against its bright yellow coloring, the striking imperial moth (Eacles imperialis) appears more leaf than Lepidoptera.
Behavior Brief
Amanda B. Keener | Jul 6, 2015
A round-up of recent discoveries in behavior research
Light Sensors in Cephalopod Skin
Kerry Grens | May 21, 2015
Squid, cuttlefish, and octopuses possess vision machinery in their skin.
Squid-Inspired Stickers
Jenny Rood | Mar 24, 2015
Scientists develop tape coated with cephalopod proteins to reflect infrared light.
Behavior Brief
Jenny Rood | Feb 6, 2015
A round-up of recent discoveries in behavior research
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.
Squid-Inspired Electric Elastomer
Jyoti Madhusoodanan | Sep 17, 2014
Polymer changes color and texture in response to remote signals. 
Obscured Like an Octopus
Jyoti Madhusoodanan | Aug 20, 2014
Cephalopod skin inspires engineers to design sheets of adaptive camouflage sensors.