The film shows a cuckoo caught in the act of laying an egg in the nest of two titlarks. The egg is hatched by the foster-mother, and she and her mate feed and tend the young cuckoo, even to the detriment of their own chicks.
#4Skilled Insect Artisans
#5The White Owl
#6Fathoms Deep Beneath the Sea
You’re hereThe Cuckoo's Secret
#11The Battle of the Ants
#12Winter
#16Busy Bees
#18Floral Co-operative Societies
#20The Plants of the Pantry
#22Scarlet Runner & Co
#25Peas and Cues
#27The Strangler
#28Plants of the Underworld
#30The Aphis
#31The World in a Wine-Glass
#34Dream Flowers
#36Magic Myxies
#37The Bittern
#40The Nightingale
#46Romance in a Pond
#50Brewster's Magic
#53Gathering Moss