Weaver bird creating a racket while vigorously weaving nests and trying to attract a mates attention. Most women will love these hard working birds. They spend all their energy building nests, and if the female approves, well, the nuptials begin. If she doesn't, the nest gets torn to pieces and this poor bugger has to start again from scratch. They have a very dolphin-like corky-quirky warble, which, one imagines, is he sales pitch to the lady in waiting. "Lady, a new home is served..."