Birds are vertebrate animals adapted for flight. Many can also run, jump, swim, and dive. Some, like penguins, have lost the ability to fly but retained their wings. Birds are found worldwide and ...
Parent birds deliver more than 10,000 to their young A pair of great tits will each fly at least 100 km to collect the caterpillars and carry almost their own body weight in a day Robins and wrens ...
Prized as game birds and reared for their meat and eggs, these stout-bodied birds often have short, rounded wings because they spend most of their time on the ground. Their thick legs and big feet ...
Past societies developed a range of weird and wonderful explanations for birds’ annual disappearance. Some thought they became barnacles, others that they hibernated in cliffs. As recently as ...