The pear-shaped eggs of a common murre (Uria aalge) can sport a blue hue, be speckled or feature brown streaks. Oh, but that ...

The common murre, scientific name Uria aalge ... Fewer birds mean more eggs stolen by gulls and other predators. This, in turn, means fewer birds. They may bounce back in time, although the ...

Zimbabwe‘s weaver birds lay their eggs in communal nests, while the shape of common murre eggs prevents them from rolling down steep slopes. Ostrich eggs are white to reflect the sun‘s heat – but this ...