Wisdom, a 70-year-old Laysan albatross and the oldest banded wild bird on Earth, hatched an egg in 2021 with the help of her ...

The pale gray eggs are from birds, the darker gray eggs are from dinosaurs. Most Easter eggs, as shown on the right, are similar in shape to bird's eggs, but some are closer to the eggs of dinosaurs.

Sometimes eggs can be difficult to identify, and if you put the wrong egg in a nest the bird could abandon them all. If the ...