The main feature of the station is the construction of the nest, it is unique the structure is attached to a hanging willow or birch branch. Shape resembles an oval bag with a side opening. It is made of vegetable fibers and willow and poplar fluff. Only males build nests, usually a few. The female may be in a relationship with the same male, but it tosses also eggs for the nests of other males. There are also situations where a male is mated with several females. The eggs are incubated by the female or the male, consequently the chicks are raised by one of the parents.

The main feature of the station is the construction of the nest, it is unique the structure is attached to a hanging willow or birch branch. Shape resembles an oval bag with a side opening. It is made of vegetable fibers and willow and poplar fluff. Only males build nests, usually a few. The female may be in a relationship with the same male, but it tosses also eggs for the nests of other males. There are also situations where a male is mated with several females. The eggs are incubated by the female or the male, consequently the chicks are raised by one of the parents.