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 ...

ST. LOUIS – A rare, once-in-a-lifetime sighting of a yellow cardinal was spotted while in the backyard of a St. Louis Cardinals photographer.

When a yellow-head flies, it has white patches on its wings.” This portly, large-headed bird is 8 to 10 inches long with a 16 to 17-inch wingspan and a cone-shaped, pointed bill.

Sitting on the seed tray of the backyard birdfeeder was a bright yellow bird the size and shape of a big male cardinal. Short orange beak, black eye-mask markings, chowing down on sunflower seeds ...