The Wilhelm cry is pushed by the actor Sheb Wooley. Its first use dates from the movie "The Adventures of Captain Wyatt" in 1951. Since then, it has been popularized by Ben Burtt on the saga Star Wars and in several hundred movies, series, commercials and video games. More infos : en.wikipedia.org/wiki/Wilhelm_scream. Duration: 00:01.
Song of robin, a garden bird. He cries from a tree, spacing his songs for 2 to 3 seconds, then stops, changes his tree and starts again a few dozen times and so on around his territory. Duration: 00:02.