these are an appropriate size for taxoboxes if you want larger versions sing out also a fan tailed cuckoo sep utc could it be made explicit as to whether the european common cuckoo is the only species that lays eggs in another bird's nest thanks it's definitely not oriental cuckoo great spotted cuckoo and others are nest parasites but i don't have a defititive list other birds apart from cuckoos also do this like the cowbirds citation you guys may be interested to know that the introduction to this article appeared in big letters on a poster at microsoft research's annual company internal expo event techfest it was in reference to a paper about cuckoo hashing an algorithm called such after the cuckoo's eviction of other birds cukoo hasn't it also been spelled cukoo or cookoo the way it's spelled looks like kuk oo