A Hawaiian bobtail squid (Euprymna scolopes) rests on a reflective surface
Reshuffled Genomes May Explain Cephalopods’ Smarts
In two related studies, researchers describe huge chromosomal rearrangements and about 500 novel gene clusters in the octopus, squid, and cuttlefish genomes, which they say could help explain how they evolved their extraordinary brains.
ABOVE: TOM KLEINDINST
Reshuffled Genomes May Explain Cephalopods’ Smarts
Reshuffled Genomes May Explain Cephalopods’ Smarts

In two related studies, researchers describe huge chromosomal rearrangements and about 500 novel gene clusters in the octopus, squid, and cuttlefish genomes, which they say could help explain how they evolved their extraordinary brains.

In two related studies, researchers describe huge chromosomal rearrangements and about 500 novel gene clusters in the octopus, squid, and cuttlefish genomes, which they say could help explain how they evolved their extraordinary brains.

ABOVE: TOM KLEINDINST

animal intelligence

an Australian magpie stares down the camera
Altruism in Birds? Magpies Have Outwitted Scientists by Helping Each Other Remove Tracking Devices
Dominique Potvin | Feb 22, 2022
It was the first time a bird has removed a tracking device, and the second time a bird species showed cooperative “rescue” behavior.
Cuttlefish, cephalopod, mollusk, mollusca, animal behavior, marshmallow test, cognition, intelligence, evolution
Cuttlefish Delay Gratification, a Sign of Smarts
Asher Jones | Mar 5, 2021
The cephalopods resisted temptation for up to 130 seconds to earn their favorite food, hinting at sophisticated cognitive abilities such as planning for the future.
See Pigs Master a Joystick Video Game
Lisa Winter | Feb 12, 2021
Directing an object on a screen to a target provided a tasty reward.
Cats recognize their names
Cats Perk Up at the Sound of Their Own Names
Carolyn Wilke | Apr 5, 2019
The familiar word elicits a twitch of the ears or swish of the tail, suggesting felines can distinguish their names from other words.
The Mirror Test Peers Into the Workings of Animal Minds
Carolyn Wilke | Feb 21, 2019
Nearly 50 years after its development, only a handful of creatures have passed the self-awareness exam. A new attempt with fish highlights a debate over the test’s use and meaning.
a parrot tearing a strip of cardboard with its beak
Image of the Day: Bird Brain
Shawna Williams | Nov 12, 2018
Goffin’s cockatoos customize tools to accommodate a specific need.
Biologist Who Communicated With Dolphins Dies
Alison F. Takemura | Aug 15, 2016
Louis Herman, who made seminal discoveries on dolphin cognition, has passed away at age 86.