At a very young age I found I could irritate people with this born ability to mimic just about anything I hear. I listened to sparrows outside my bedroom window and then could talk to them and other birds, and squirrels, horses, cows and an occasional human. Some folks refer to this as a special talent to me it was a fortunate aberration that has been a great tool in this biz. I try to be authentic in reproduction of animals. When it comes to the creatures it was usually an open page and I really enjoyed creating sound for them usually to picture on screen in a sound studio…what fun!!! Also, this is sometimes punishing to the vocal cords thus the three days.
Frank Welker Talks TRANSFORMERS PRIME, Voicing Megatron Throughout His Career, How the Voice-Acting Industry Has Changed and Working with Peter Cullen (November 1, 2012)