Want to see something cool? Check out the animated bird migration maps from Cornell Labs! https://www.nationalgeographic.com/magazine/2018/03/bird-migration-interactive-maps/?platform=hootsuite&utm_source=Cornell+Lab+eNews&utm_campaign=0567c16a9f-Cornell-Lab-eNews-2018-03-08&utm_medium=email&utm_term=0_47588b5758-0567c16a9f-278124621 As you scroll down you can see the densities of several different kinds of birds flowing north and south on their annual migrations.