Viewing: evolution

The Biggest Birds in the World – Past and Present

There are about 10,000 species of birds on Earth. Our feathered friends display a dazzling assortment of plumage colors and patterns and come in all shapes and sizes. From tiny hummingbirds to hefty ostriches, body size in birds spans a wide range. This wasn’t always the case. We know that birds are actually a specialized group […] Read more

The Hoatzin: A Weird and Wonderful Bird

The Hoatzin (Opisthocomus hoazin) is a Neotropical bird that lives along slow-moving rivers and lakes in the Amazon Basin. With a distinct appearance, loud calls, a tendency to live in social groups, and a clumsy way of moving through foliage, it’s not surprising that Hoatzins are fairly easy to find in their habitat. (In case […] Read more

Hummingbird Evolution: 50 Million Years and Still Buzzing

Numerous superlatives can be applied to hummingbirds– among their ranks is the smallest bird in the world and the bird that migrates farther than any other (at least when body size is accounted for). The hummingbird family, Trochilidae, is super diverse and has the second highest number of species of any bird family. And of […] Read more