There are plenty of examples of mutualism in nature. Be it the rhinosaurus and the oxpecker, clownfish and sea anemones, or sharks and remora fish, there are unlikely besties in the wild that work ...

Bird eggs range in colors and can be ornately maculated with spots, blotches and scrawls. They vary in shape and size, and they must be thick enough to withstand the weight of an incubating parent but ...

What is smaller than the width of a dime and weighs less than half a gram? That would be the egg of an Allen’s hummingbird. This tiny bird lays tiny eggs and lives in tiny nests. We are fortunate ...