The bluebird feeds mainly on insects and other invertebrates (such as moths, worms, flies, ants, etc.), but they will search for berries, especially in winter. You will often see them perched on wires ...

What Do Cardinal Eggs Look Like? There are a few ways to identify Northern cardinal eggs. First, look at their general color. The eggs of these birds come in hues of off-white, such as grayish white ...

(Image credit: Ko Konno/Getty Images) The emu is the second tallest species of bird on Earth, after the ostrich. They are the biggest birds in Australia, reaching up to 6.2 feet (1.9 m) in height.