Surprisingly, all flying birds, ranging from hummingbirds to eagles ... "We argue it is impossible to assess flight potential in non-avian pennaraptorans without examining the structure of the ...

It’s already baffling how many incredible and strange creatures can be found on planet Earth, with there being well over 8 ...

Birds adapt in new environments by mimicking peers. Immigration triggers learning, aiding bird survival and ecosystem ...

In open country of the west, the Western Kingbird is often seen perched on roadside fences and wires, flying out to snap up insects -- or to harass ravens, hawks, or other large birds that stray too ...