Every year, backyard songbirds across the United States make an arduous journey to warmer winter climes. They migrate hundreds of miles, occasionally braving tough terrain and nasty weather. Sometimes, they have no place to stop and refuel along the way. A new study focused on the complex factors that determine when these little birds make their journeys.
Ready to get ripped?
Introducing the BEST SELLING diet and training program to get you beach-ready for summer.