The Earth is currently experiencing its sixth major extinction event. One million species globally are at risk of extinction in the next few decades, including 27 percent of the world’s mammals, 41 ...
In foothills and riverside woods of the West, this species is often very common as a nesting bird. In mid-summer, the oak woodlands often resound with the insistent whining whistle of young ...
The handsome black-headed grosbeak is the western counterpart to the East’s rose-breasted grosbeak, and the 2 even occasionally hybridize where they come into contact in the western Great Plains.
Despite its name, the Mediterranean gull is not limited to coastal waters of southern Europe, and is widespread on the Atlantic and Black Sea coasts, as well as in coastal regions and inland ...
Threskiornis Melanocephalus, Pelecanus Philippensis, Limosa Lapponica, Sterna Aurantia, Pandion Haliaetus. In the leter, they have also listed vulnerable species including Clanga Hastata and ...
The cellular context for displaying carotenoid-dependent colors differs between endothermic and ectothermic vertebrates. In birds, carotenoids are concentrated in keratinocytes of the skin and ...
Endangered and vulnerable Pakistan is home to six pheasant species: the western horned tragopan (Tragopan melanocephalus), Himalayan monal (Lophura impejanus), koklass pheasant (Pucrasia ...