In only a couple of months Tennessee Warblers (Oreothlypis peregrina) will be here in our backyards, and yesterday’s blast of warmth was a lovely preview of what’s to come. The migrants are moving…what have you seen? Photographed by RTPI Affiliate Sean Graesser for the Meet Your Neighbours global biodiversity project in Costa Rica while on assignment for the Roger Tory Peterson Institute of Natural History.
