What gives an Australian finch its brilliantly colored red, yellow or orange bill? A major new study has uncovered the genetic switches controlling these distinctive colors, revealing a key piece ...

Sometimes the entire bird is mostly red. Sometimes the red color is more orange, sometimes it is pinker. ・House Finch ・Purple Finch ・Cassin's Finch ・Red Crossbill ・Pine Grosbeak ...

Male house finches (Haemorhous mexicanus) that are have more brightly colored red breast feathers are healthier than duller, yellower ones, and their coloration visually signals their fitness to ...

Others thought birds saw red as a danger or birds went for similar ... The British Trust for Ornithology was more circumspect on the role of color in the drop zone for birds.

Once in the water, the birds use their webbed feet to aid swimming. Red-footed boobies appear in a variety of color morphs but, of course, all have feet of the distinctive red color which gives ...

The attractive house finch is one of the more common and ... Male: the breast, rump, and front of the head are typically red, but the color can vary to orange or occasionally yellow.

I am seeing just a few purple finches at the feeders now. Last year, over a dozen were here on many days in January. Some may migrate to the south […] ...