Cuckoos – which lay their eggs in nests of other birds – have higher speciation rates when they lay their eggs in a broader range of host bird species’ nests, a new study reports. This higher ...

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Easter eggs are wonderfully colorful and sometimes full of chocolate. While it remains an absolute mystery of nature how and why a rabbit lays and delivers these piebald, tasty eggs to children on ...

Cuckoo birds build no nests of their own. Instead, they rely on trickery to raise their young. The female cuckoo lays her eggs in the nest of a host whose eggs are similar in size and color. The host, ...

Many years ago Mary Alice, our daughter Holly and I went to Belgium to meet our first grandchild. We spent a month with the ...