Did you know? Each hummingbird species has its own signature hum. The sound you hear isn’t a voice—it’s the wings. Their beat creates a tone (and overtones) that’s different from species to species, so experts can often tell them apart just by the buzz. Music made of flight. #EveTechTales #fblifestyle #hummingbird #hummingbirds #birdfacts #didyouknow ¿Lo sabías? Cada especie de colibrí tiene su zumbido característico. Lo que oyes no es su voz: son las alas. Ese batir crea un tono (y armónicos) d