0:22
Please enable Javscript
Multiple calls from a mockingbird
0:06
Please enable Javscript
Opera singer sings La La
0:07
Please enable Javscript
Male vocalization logo "hamburger and fries," musical
0:34
Please enable Javscript
Multiple calls from a mockingbird
0:23
Please enable Javscript
Male child sings "head shoulders knees toes" rhyme
0:04
Please enable Javscript
Opera singer sings La
0:01
Please enable Javscript
A parakeet's single chirp
0:04
Please enable Javscript
Opera singer sings La
0:27
Please enable Javscript
Summer cicadas singing
0:01
Please enable Javscript
A parakeet's single chirp