Phenotypic characters with a complex physical basis may have a correspondingly complex evolutionary history. Males in the “bee” hummingbird clade court females with sound from tail-feathers, which ...

I’ve been noticing more than one ruby-throated hummingbird at my feeder recently. Two, sometimes even three, sharing the feeder. None of these have the ruby-throat of an adult male. So, these are ...

Close up of male hummingbird perched on feeder - Robert Winkler/Getty Images Between flowers that will transform your space into a hummingbird heaven, birdbaths, and quality hummingbird feeders, there ...