Finches come in various colors, from shades of purple, red, black, orange, yellow, blue, brown, and more. Many have more than one color. Finches can also vary between genders of specific species.

On the brink: These bird species are seeing massive decline, and there's no easy answer. ... black-and-yellow finches with large bills. They reminded me of big wasps, in a way.

The female birds are grey and yellow, less bright in color. The summer months are the best time of year to see the yellow-colored male finches. They nest in the fall when food sources are plentiful.

The researchers zeroed in on a particular gene called follistatin which is found on the Gouldian Finch sex chromosome and regulates melanin to produce either red or black-headed finches. For the ...

This week, we will focus in a lesser manner on two other feeder birds, the black-capped chickadee and the more recent addition, the house finch. Let us begin with house finch. The house finch, I ...

Bright colors, however, are not genetically inherited. Like most birds, finches can’t actually make red or yellow pigment. Rather, these molting males incorporate pigments from the foods they eat.

April 23 (UPI) --The heads of Gouldian finches feature one of three different colors: yellow, red and black. Now, scientists know why the pressures of natural selection have failed to erase the ...

Lesser goldfinches are common in and around Santa Fe in the summer months. It’s not uncommon to see these small, yellow finches in the winter, as we are just on ...

If you’ve ever seen an Australian finch, you know that it has a brightly colored red, orange, or yellow bill. But how and why do these birds develop one color over another? A new study has ...

Wings more boldly patterned. Yellow lesser coverts. Wide, whitish lower wing bar. Bill darker than in breeding season. Winter female: mostly drab gray body with black wings and 2 bold buffy wing bars.