Zebra finches tweet and twitter while brooding their eggs 1 .   Picture yourself, sitting still and warming a clutch of eggs -- hour-aft...

Nathan Emery's delightful and thoughtful book, Bird Brain An exploration of avian intelligence , should be read by all serious studen...

Chicken tastes good but, like most birds,  chickens can't taste sweets 1 . What about hummingbirds who live on nectar? Hum...

Chicken tastes good but, like most birds,  chickens can't taste sweets 1 . What about hummingbirds who live on nectar? Hum...

The earliest vertebrates on the earth were fish. When their descendants first ventured into land environments, they had to return to the sea...

Crane dance is iconic. All 15 species of cranes communicate with elaborate body language 1 . Comparisons among species reveals clear and co...

"Now that there are strong grounds to dispute Descartes' contention that animals lack the capacity to think, we have to ask just ...