Wondersurf 
Bees: Buzz-z-z...
Why do bees buzz?
Are you sometimes in a good mood and start whistling, singing or humming a song? Humming a tune is something only we humans can do. Bees hum too, but not because they're in a good mood.
Are you sometimes in a good mood and start whistling, singing or humming a song? Humming a tune is something only we humans can do. Bees hum too, but not because they're in a good mood.