🇷🇺Голубая синица, Обыкнове́нная лазо́ревка, зелёная лазо́ревка, лазо́ревка🇬🇧#Blue tit#Eurasian blue tit🚩Cyanistes caeruleus lat.🎥Video by @Jens_stahl- In English, the nickname of lazorevki "nun", - "nun", either for a cheerful disposition, or for a beautiful headdress, reminiscent of the festive attire of Catholic nuns. Unlike a simple tit, her songs begin with a three-syllable call that develops into a trill with 15 links. Communication with other birds is limited to the utterance of a short cit, which can be repeated with different frequency and speed. It is not shy and allows a person to approach it at a fairly close distance. It prefers animal food - insect larvae and insects themselves, whose size does not exceed 1 cm in length. In the absence of caterpillars and larvae, the main diet of the bird is arachnids. Lazorevka destroys forest pests in huge quantities. Its menu necessarily includes aphids, unpaired silkworms, sawfly larvae, butterfly caterpillars.Its menu necessarily includes aphids, unpaired silkworms, sawfly larvae and leaf moth caterpillars. - In a day, the bird eats from 600 to 1600 insects, and in the breeding centers of pests-silkworms-up to 20,000 eggs of these butterflies. In winter and late autumn, they switch to plant-based feed - seeds of trees, especially birch, boxwood, yew, spruce, pine, cypress, oak, and maple. - peanut or sunflower seeds and unsalted lard are removed from bird feeders. - Usually monogamous. A study conducted in Belgium found that 10.8% of men had relationships with two or three women at the same time. - If new parents feel danger, they imitate the hiss of a snake or the buzz of a wasp, thereby scaring off predators from their hollow. Sometimes it mates with a white lapis lazuli (aka knyazek), such a hybrid is called Lapis Lazuli Pleske - After arriving at the nest with food, the azure bird feeds only one chick. The average life expectancy is about 12 years.