Ku-Kuck, Ku-Kuck: So Unsocial Is the Cuckoo Really

Sung in folk songs, present in popular and superstitions, in proverbs and phrases, likes to contemplate: for some, the cuckoo (Cuculus canorus, in English: the tonal kingdom) is a "herold of spring", a life artist, for others "a highly problematic nature", an egg thief. For science, the cuckoo is a "brutparasite". That is, it belongs to those animal species that do not incubate their clutches themselves, but have them hatched by replacement pare…