He even named his daughter Cardamine - the Latin name for cuckoo flower.

BBC: Birdwatcher gave 1922 cuckoo clue

Hovering around city parks and flower beds are masked bees, miner bees, mason bees, plasterer bees, cuckoo bees, leafcutter bees, horned bees, and at least 49 species of sweat bees.

WSJ: New Sweat Bee Generates Buzz