CBS Sci-Tech: Giraffes surprise scientists with eerie nighttime hum
CBS News,
Dogs bark, sheep bleat and mice squeak, but what sounds do giraffes make? They hum, but only during the nighttime, a new study…
Dogs bark, sheep bleat and mice squeak, but what sounds do giraffes make? They hum, but only during the nighttime, a new study…
Dogs bark, sheep bleat and mice squeak, but what sounds do giraffes make? They hum, but only during the nighttime, a new study…
Dogs bark, sheep bleat and mice squeak, but what sounds do giraffes make? They hum, but only during the nighttime, a new study…