Yellow-billed Loon

What Have We Done: Yellow-billed Loons and Mercury


The Yellow-billed Loon is one of the signature bird species of the high latitudes. Breeding exclusively in the arctic, across Alaska and Canada in North America, it’s the biggest Loon, highly territorial and exceptionally handsome. It’s also a poster child for the global impact of humankind of the planet. Because Yellow-billed Loons, which in the course…

White-winged Crossbill Male, Nabesna Road

Specialized Tools


Many finches have specialized bills. Grosbeaks, for example, have large, heavy bills for cracking nuts and seeds. But among North American birds, the some of the most highly specialized bills are found in Crossbills. Their upper and lower bills cross over, in a kind of combination of scissors and tweezers. The bills allow them to…