Great Tits May Be Evolving Bigger Beaks. Here's Why. Since Darwin's time, birds have served as models for the wonders of evolution—and this study was no exception.

While many birds have basic brown or black bills, ... The Atlantic Puffin, which is nicknamed “the clown of the sea,” has a stunning beak that turns bright orange, yellow, ...

The beak’s two yellow ridges, called the lamella and the cere, lit up. '[birds have] additional color cones in their retina that are sensitive to ultraviolet range.' ...

The research teams found that beaks of great tits living in a long-term study site, Wytham Woods in the UK (949 birds total; grey triangle, Figure 1), were 0.3mm longer, on average, than beaks of ...

Dunning normally works with twites, another type of bird, but he had been wondering if puffins had Day-Glo beaks for a while, since crested auklets — seabirds in the same family — also have ...

While there are an estimated 15 million red cardinals across the eastern U.S., making it one of the most common birds in the wild, there are just 10 to 15 yellow cardinals flying around the region.

They found birds with that handful of favored genes, as expected, tended to have longer beaks than their continental counterparts in the Netherlands. The researchers further backed their findings ...

The best way to guarantee breakfast in bed for some small African birds is falling asleep on your dinner plate—even if it's a giraffe's armpit.. Scientists have long known that yellow-billed ...