Chicago is in the midst of a snowy owl invasion! We talk with a birder and a Field Museum scientist looking to uncover the hidden city dangers facing these beautiful creatures on Chicago Tonight at 7:00 pm.

Check out some of birder Jerry Goldner's photos and videos of snowy owls below.

Related Links:

Profiles Of Nature, Jerry Goldner, Wildlife Photography

More on Josh Engel

Chicago Bird Collision Monitors' Site

Flint Creek Wildlife Rehabilitation

Chicago Ornithological Society

Chicago Audobon Society

Image Gallery: