Eggshell colouration plays a vital role in avian reproductive strategies by influencing both the thermoregulatory properties and the structural integrity of eggs. Recent studies indicate that ...

Climate change has now become one of the biggest threats to ecosystems globally, as global cycles that have helped species thrive for centuries have shifted. Birds in particular, for their elaborate ...

What really did come first--the chicken or the egg? Birds' reproductive biology is dramatically different from that of any other living vertebrates, and ornithologists and paleontologists have long ...

Bird flu may be particularly severe in humans because it is resistant to one of the body’s most important defence systems, a ...