The newsreel includes the following filming: Part 1, Plot 1. Night beauty. Peacock eye butterfly on a tree trunk. Butterflies in different forms (macro photography). A caterpillar on a branch, eats a leaf, crawls on a tree, weaves a cocoon in autumn, emerges from a cocoon in spring. Reed toad. Baltic. View of the river and the boggy bank. Reed toad in the water, "sings". Kind of necklaces made from toad eggs on algae. Eggs change shape after spawning, tadpoles appear, then tailless creatures that get out on land. Young jungle toads hunt insects. 2 part 3 plot. Black stork, Bulgaria. The boat is sailing along the river. Landscape of the river with rocky banks, mountains. Black stork in the sky. Stork's nest in the rocks. A pair of storks alternately sit in the nest, incubating chicks, looking for food. Black stork chicks in the nest. View of grown chicks. The tit flies out of the nest.