It is the non toxic way to repel pests like mosquitoes. As per scientific information and experimental evidences, the animals respond to US and avoid its presence. Small mammals like Dogs, Cats etc. responds to 22-25 kHz US and Rats to 60-72 kHz. Insects like Mosquitoes, Flies responds to 38-44 kHz.
These 10 animal facts will amaze you. The different types of performing arts are theater, musical theater, dance, music, acting, magic and circus acts. Performing arts involve using facial expressions, voice, and body language to communicate a creative fabrication. Singers are one kind of performing artist. Hip hop is a type of performing art. Circus acts like clowning and acrobatics are considered a type of performance art. Some performing arts have shows on a stage.
We have defined exotic animals in circuses as those species which have not been bred as livestock in the UK: these are dove; budgerigar; elephant; zebra; bear; camel; llama; snake; tiger; African cow; macaw.