"Because brain size scales relative to body size, the smallest animals have relatively the largest brains," Wulfila Gronenberg, a professor of neurobiology at the University of Arizona, told Live ...

The undisputed winner of the biggest brain of any animal species is the sperm whale (Physeter macrocephalus), with a brain weighing up to around 9 kilograms (20 pounds). Having such a big brain ...

The animal with the biggest brain is the sperm whale. Their brains can weigh up to 9,000 cubic centimeters (cm3), which is the largest of any animal on Earth Image: X/@SteveBackshall ...

The sperm whale (Physeter macrocephalus) has the biggest brain of any animal on Earth today, with an average weight of 17 pounds (7.8 kilograms). Though scientists have long argued whether brain ...

“Rather than actively shaping experience, the thalamus (if it is considered at all) has typically been relegated to a role in gating contents into consciousness,” the team explains in its paper.

May 20, 2025 — African elephants are the largest land animals on earth ... revealing for the first time what happens in the brain when an animal makes a mistake, researchers are shedding light ...

Think dolphins have the largest brain-to-body ratio? Think again! Scientists have identified a surprising U.S. animal that has an even more impressive brain-to-body proportion, giving it a unique ...

While the size of the brain usually correlates with cognitive ... bats weighing in at less than two grams right up to the largest animal that has ever lived, the several-tonne blue whale.