What does a melody look like
In nature, many insects that emit different trills, few people think about who does it. The sound of the bear resembles the chirping of grasshoppers. Everyone heard him, but mistook the song of other "performers".
At night, the bear makes the sound of prolonged trills, tweeting, changing intonation, volume. In this way he communicates with his relatives, and not just enjoys his skill.
Interesting!
A beautiful melody with different overflows, chirping, tweets is obtained due to friction of the wings. Often, one of them is used as a musical instrument, the other as a bow.
Who sings
Long, loud trills are heard during the mating season. In this way, the male attracts the attention of the female, attracts sound. How the male sings can be heard in a quiet, deep night. Scientists claim that his song is heard for 600 m. The matter is not only in the skill of the male, but in the structure of his housing. As the male screams, the female hears at the other end of the field. And he just waits for the appearance of the "lady".
Burrows the little bears resemble a horn. Taper at the end, have an extension at the base. A ringtone passing through a peculiar corridor turns out to be loud, sonorous, melodic. How cricket chirps, everyone who has been in nature in the evening knows. Its sound power is 0.06 mW. The bear sings much stronger - 1.2 mW.
If you understand what sounds the bear makes, you can timely respond to a hidden problem, prevent huge damage in the garden in the garden, various means to remove the pest.
