The origin of feathers remains a mystery
Birds are inextricably linked to feathers, which allow them to fly, keep warm and put on dramatic displays. Feathers, however ...
Tekiela: The humble feather helps birds meet winter’s challenges
Winter poses several challenges for birds. Scarce food supplies and limited water are obvious challenges for nearly all of them. Extremely cold temperatures, strong winds, driving snow and ...
earth1d
Bird evolution timeline pushed back at least 20 million years by new discovery
Jurassic bird fossil discovery of a species named Baminornis zhenghensis pushes bird evolution timeline back 20 million years ...
Natural History Museum%2c London14d
What were the first birds like?
These include very noticeable characteristics, such as feathers and a pair of wings ... of these features appeared at different points in the evolutionary history of birds, making it difficult for ...
Detroit Free Press29d
Most birds adapted to spending winter in Michigan can handle below-zero cold
"They are able to fluff their feathers up and trap air — it's like instantly making a down coat." But all of birds' efforts at staying warm expend energy, and if they can't replenish it ...