“MIGRATION IS ANOTHER TRADE-OFF. Birds that migrate have smaller brains than their sedentary relatives. This makes sense, as a brain that consumes a lot of energy and develops slowly would be too costly for birds that travel a lot.” — Jennifer Ackerman Copy Share Image
“In fact, we owe the expression “pecking order” to studies of the social relations among chickens by the Norwegian zoologist Thorleif Schjelderup-Ebbe, who found… — Jennifer Ackerman Copy Share Image
“most expensive in the body, second only to the heart. Neurons may be small, but they’re costly to make and maintain, consuming about ten… — Jennifer Ackerman Copy Share Image
“MIGRATION IS ANOTHER TRADE-OFF. Birds that migrate have smaller brains than their sedentary relatives. This makes sense, as a brain that consumes a lot… — Jennifer Ackerman Copy Share Image
“It’s a notion that was proposed three decades ago by Jane Goodall and her colleague Hans Kummer. The pair made a plea for measuring… — Jennifer Ackerman Copy Share Image
“Did the crows’ bill shape and specialized vision predispose them to tool crafting and use? Or did their tool-use behavior in response to unusual… — Jennifer Ackerman Copy Share Image
“Instead, each bird is interacting with up to seven close neighbors, making individual movement decisions based on maintaining velocity and distance from fellow flock… — Jennifer Ackerman Copy Share Image
“Being in nature refreshes us by ... allowing us to surrender to involuntary attention: the effortless and often enjoyable noticing of sensory stimuli in… — Jennifer Ackerman Copy Share Image
“In scoping out the party crowd, does one face catch your eye? The Tierra del Fuegans have an expression, mamihlapinatapei, which is listed in… — Jennifer Ackerman Copy Share Image
“I can't imagine pressing on relentlessly through day and night with mind, body, spirit in a single state, can't imagine denying myself the possibility… — Jennifer Ackerman Copy Share Image
