There are birds, "pingbirds" whose sole job it is to sing in a manner related to traffic to the site (i.e., sing more when there's more traffic). These birds also emphasize the machine, and lead to the questions, why do we use the bodily and representations of the alive to clothe the machine, why not build digital lamps or pencils that fly by visitor commands?

""Uirapuru" explores the interconnectedness of two parallel worlds, physical and virtual" (email announcement from Julia Friedman, info@juliafriedman.com [3 November 1999].). It merges telepresence with virtual reality on the Internet, it transforms machine into virtual reality, machine to bodily simulation.

This artwork shows life given to non-living objects that represent the living through machine-transformed actions of the living. Inanimate creations, or machines, the Uirapuru bird / fish and the ping birds, perform tasks such as flying and singing, actions real fish and birds perform. They do this both in a virtual and a real environment. People travel the net, people go to this exhibit through the internet, a machine. By mechanical means, a message is sent to the birds representing the amount of people on the net at that moment. In relation / response, the birds come alive for a moment, but mechanically, singing and flying, simulating the body, which is possible through technology.