The question of whether the chicken or the egg came first is probably one of the world's longest-running arguments. And while scientists cracked the question in 2010, saying the chicken must have ...

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 ...

Birds may undergo a change in physiology and reproductive health when living in environments with constant vehicular traffic noise, compared to when they are breeding in a quiet habitat, according to ...