About us BirdVoice offer the first truly instant way to access calls and songs for each of the 270 species on our British list. For the past two years we have been developing the BirdVoice technology and are pleased to launch now for the first time in Spring 2007. The BirdVoice team would like to take the opportunity to thank everyone involved in the project and wish everyone purchasing BirdVoice the very best with this exciting new product.