It’s been a big week for birds. BirdCast—a migration forecasting tool operated by Colorado State University and the Cornell Lab of Ornithology—tracked a whopping 1.8 million birds passing over DC on ...
According to bird experts Kenn and Kimberly Kaufman, much about bird flying is dependent on the species, season, and what else the bird is doing. Songbirds that feed on insects vary in the elevation ...