It's a burlesque of a melodrama in which all the parts are taken by birds. There's lots to be offended by, given that it's a talking comedy, with lots of stereotyped voices, and so forth, and it's not too long before you get tired of the gimmick.
Hal Roach tried a series like this in the early 1920s. It was called the Dippy Doo Dads, and all the performers were animals. It was very expensive to produce, not popular enough to keep going, and surviving examples show up every now and then.