Sometimes nature surprises us with extraordinary products of evolution. One prime example is the extraordinary sword-billed hummingbird (Ensifera ensifera). These relatively small birds have carved a ...

If you want a fun learning experience, watch the birds at your feeders. Notice the different types of beaks and how their shapes dictate a bird’s dining habits — particularly the way it consumes black ...

Bird beaks come in all shapes and sizes. The variation allows different species of birds to feed on different things. This can help reduce the need to compete for resources when birds live in the same ...