I got to thinking about swallows being here in a couple of weeks or so and wondered if there was real time tracking data on them turning up. Here we go
Migration Marathons: 7 unbelievable bird journeys
Around one in five of all the world’s bird species migrate. And while every migration is an epic and often perilous feat of endurance, here’s a selection of species that we feel go the extra mile.
www.birdlife.org