It seems like birds would want to hide their eggs, but there are hundreds of species that lay blue to blue-green eggs. Thanks ...

If something exists in nature, there is most likely a very good reason for it. While there are exceptions, many features ...

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 ...

European starlings, an invasive species in the U.S., lay blue eggs often mistaken for those of bluebirds or robins. Unlike native birds, starlings outcompete local species and are not protected by law ...