Most songbirds head south for the winter, as food supplies disappear, returning to breed in the spring, when booming insect populations can satisfy clamoring broods. Not crossbills. This colorful ...

In the pine forests of Idaho, a bird called the South Hills crossbill is waging one seriously bizarre evolutionary war. Over the last 5,000 years or so, the crossbill---so named because the two halves ...

My friend Debbie who lives on Boreas Pass Road photographed a pair of crossbills at her bird feeder. These birds, with their unusual beaks, are uniquely evolved to feed on the seeds of conifers.

While out on a springtime snow trail, I recently saw a dozen white-winged crossbills pecking at snow on the side of the trail. When I reached the spot, I saw a yellow stain from where a team of dogs ...

Most birds have bills with tips that come together when the jaws close. But not crossbills — hence their common name. The crossed bill tips are so unusual that they once were sometimes mistakenly ...

At 6:30 one morning in early July, Craig Benkman, a University of Wyoming ecologist, began to stalk red crossbills in the South Hills of Idaho. We were between Twin Falls and the Nevada border, ...

The oddly crossed bills on this bird is not a deformity at all, but normal shape for a crossbill, a type of finch. These crossed tips are an amazing adaptation to efficiently extract seeds from cones ...

These photos have just arrived in our Flickr group and feature a resident but rarely seen species in Wales - crossbill. Crossbill are a chunky member of the finch family and as the name suggests, have ...

The Scottish Crossbill has the distinction of being the UK's only unique bird species. It is a member of the finch family and is distinguished by a large head and a substantial bill which, as the name ...

The recently discovered Cassia crossbill is range-restricted, occurring in just two small mountain ranges on the northeast edge of the Great Basin Desert. Based on a new study, Cassia crossbills ...

The crossbill, it has to be said, won’t win any beauty competitions. Slightly bigger than a greenfinch, rather plump and thick-necked, it vaguely resembles a parrot. Adult males are dull red all over ...