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 ...

Fall migration is in full swing, and among the birds migrating to warmer climates through and from Wisconsin are Chimney Swifts. The small, fast-flying birds are known for their cigar-shaped bodies ...

Forbes contributors publish independent expert analyses and insights. I write about biodiversity and the hidden quirks of the natural world. Most birds fly at low altitudes, relatively speaking. But ...