There’s more to bird migration patterns than meets the eye. Learn when and how birds migrate and discover which species makes ...

It's about that time of year for Oklahomans to spot monarch butterflies, the orange-and-black-winged insect known for their twice-yearly migrations across the continent as they pass through the state ...

It's a bit early to start seeing hummingbirds in New York, but they have begun their spring migration into the southern U.S. states and will continue to make their way north over the next few months.

Add Yahoo as a preferred source to see more of our stories on Google. It's about that time of year for Oklahomans to spot monarch butterflies, the orange-and-black-winged insect known for their ...