Birds lay eggs of surprising variety, and scientists have long wondered why. Could it be that certain shapes protect eggs from shattering? Or perhaps allow them to fit snugly in a nest? Or was ...

Although the smallest penguin in the Antarctic, Adelie’s are tough and tenacious birds. Unlike Emperor’s they lay two eggs. Each egg measures 5.5 to 8.6 cm long and weighs 61g to 153.5g. Male Adelies ...

Once they arrive at their chosen breeding site, penguins lay eggs in Antarctic winter from May to June. Eggs hatch after 65 days, but chicks do not fledge until summer, between December and January.

Instead of breeding in the warmer summer months like other penguin species, emperor penguins lay and incubate their eggs ...

A total of 19 eggs have been laid at the island's wildlife park this year Nineteen Humboldt penguin eggs have been laid at a zoo on the Isle of Man. It marks a record for the Curraghs Wildlife ...

Once they arrive at their chosen breeding site, penguins lay eggs in Antarctic winter from May to June. Eggs hatch after 65 days, but chicks do not fledge until summer, between December and January.

Birds have feathers and a beak and lay hard-shelled eggs. Many birds are able to fly using their wings, but others such as ostriches are flightless and unable to fly. Some birds like penguins ...