As feeder hosts puzzle over the bright yellow birds' seeming summertime absence, here's the story. The fluctuating populations result when northern birds move through in fall, feeding heavily ...

These yellow beauties are the state bird of Iowa, New Jersey, and Washington. Goldfinches are found living in fields full of weeds, floodplains, cultivated areas, roadsides, orchards, and backyards.

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.

As usual, some feeder hosts puzzle over the seeming summertime absence of the bright yellow birds. Some thoughts: Unlike other birds, goldfinches are vegetarians. They don't eat bugs.

Then, in early spring, a flashy outfit of bright yellow feathers might be the key to hooking up, building a nest and raising a brood. Birds do it, bees do it. That, too, makes sense.

My grandmother reveled at the sight of bright yellow birds with black caps that attended the zinnias in her garden each summer. Wild canaries, she called them. Birds: Goldfinches readily drawn to ...

Now, Geoffrey Hill, an ornithologist at Auburn University who helped identify Alabama’s yellow cardinal, has released a 15-minute YouTube video breaking down the science behind that genetic ...

Once the CO2 level passes 1.000 ppm, considered the recommended threshold, the monitor will activate the mechanism that makes the bird flop over. It’s an air quality monitor that doesn’t set ...

Now, a bird with the same genetic mutation -- one that makes the bird’s feathers appear bright yellow instead of red-- has been spotted in the Birmingham suburbs, about 15 miles away from the ...

Are you missing a bird? If so, you may want to check in with the Boulder Police department. On its Twitter page Wednesday afternoon they posted a short video of an officer with a bright yellow ...