When heard by human ears, the golden crowned kinglet's song, for instance, must be a pale shadow of what it sounds like to another golden crowned kinglet, which can appreciate all .
Once, to reach a kinglet's nest, he simply sawed off a tree at its base, keeping it upright, and lowered it 40 feet.
The real loser seems to be that perpetual kinglet, Prince Charles, and here again it's hard to muster much sympathy.