@duolingo has a bunch of new lessons in their Spanish course. Glad to see them expanding the content and teaching lessons like “what is that phrase everyone keeps saying in restaurants?”.
This map of Ruby-throated hummingbirds lights up in the summer as they follow warm weather looking for flowers. Source: @team_ebird
This @team_ebird animation of Sandhill Crane migrations illustrates the dramatic movements of populations over the course of the year.