This year's top shots delight with dazzling colors and fresh perspectives.

Hear three random bird sounds from any location, then try to guess what they are.

A collection of birds looking right at me!

Note: Most of these answers pertain to the American Crow, _Corvus brachyrhynchos_. Much of the information here is from my own research on crows in central New York; where I used other sources I have tried to reference the material. —Dr. Kevin J. McGowan, Cornell Lab of Ornithology.

It seems as though every year, the congregating crows catch people off guard.

Thousands of crows flock to Portland's park blocks each winter, darkening the sky at dusk and roosting overnight in the city's trees. Much about the crows' habits is unknown.

One day, when we are gone, another form of dinosaur will soar over our compressed bones.

With photos so you can identify all!

The answer lies in parallax.