American Goldfinches are little yellow birds with black and white wings and tail ... The malar feathers down from the lower mandible of the beak are white. Length bill tip to tail tip: 9-1/2 ...

In fact, the bird is also called the “red-legged ... the young have short and yellow beaks. Plus, their tails are black-tipped and they have no streamers. With a plump body, pink-red beak ...

The small brown bird weighs around 16 grams (roughly half an ounce) and has black and yellow bands along with a large beak. The finding, which was reported in the science journal Nature ...