The contrast between quail, cormorant and eagle was striking, and I wondered, why do birds have different kinds of wings and ...

With so many fossils to compare, they began piecing together a more detailed history of the feather. First came simple filaments. Later, different lineages of theropods evolved various kinds of ...

Here, we’ll explain how a typical bird wing functions, as well as explore the different types of bird wings and flight feathers you might spot on the visitors at your feeders and in your trees.

Birds are warm-blooded animals with feathers, wings ... Fish can be found in all kinds of water, like oceans, rivers and lakes. In Northern Ireland, some common fish types found in rivers include ...