I remember looking out at the birdfeeder and seeing it crammed full of evening grosbeaks — large, black-and-yellow finches with large bills. They reminded me of big wasps, in a way. They would show up ...

Our last column focused on Juncos. 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 ...

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 revealed ...

When red-billed and yellow-billed finches mate, their offspring have orange bills. By studying the exact shade of orange in ...

With temperatures dropping, this is the time of year when I remind you to ready your bird feeders for the winter ahead, which I may do again next week. To further motivate you to take on the task, I ...