Ancient mammals that lived in the time of dinosaurs were mostly the same dark-brown colour, according to a new study ...

Outer pairs of tail feathers extensively rufous on inner webs; dark shaft stripes and rufous extend to feather tips. Bill proportionately long, heavy, and black. Mouth lining typically flesh-colored.

These medium-sized, lanky birds have glossy dark feathers ... “The head and parts of the bird’s wing still have brown juvenile feathers, but the black adult feathers have grown in on other ...

Dark morph: adult has an all-dark body with dark wing coverts and silvery flight feathers ... giving the bird a dark bib. Juvenile: brown above like adult, but with pale superciliary line on ...

There are quite a few different varieties of the bird, however, most are dark grey or brown in color. They also have distinct white tail feathers and a pink bill. Now, let's dive into these tips ...