Scientists did not understand why the wipes are watched a few nests. It turned out, the case in the mercantility of females and in polygamy

Anonim
Scientists did not understand why the wipes are watched a few nests. It turned out, the case in the mercantility of females and in polygamy 18333_1

Tiny bird wretchedly resembles a small fluffy lump. She has no neck, and the head smoothly goes into the body. Wheems are wrapped with amazing nests like caves. Moreover, it is not limited to one. The wretchedness builds several houses at once.

Pernation responsibly comes up to choosing a nesting site. It should be spacious with a large number of bushes and high grass to hide when danger. Another important condition is a reservoir nearby.

Pernation is not in vain, only spacious sections for nesting. This hardworking little bird does not be lazy and vibling at the same time from 6 to 12 nests in the form of an oval or sphere.

Time leaves a lot, but the pennate it does not confuse. All the work it triggers alone and builds houses with a diameter of about 10 cm with sturdy thick walls and side opening.

The bird lives his "caves" next to large stones, in dense bushes, broken trees, in low dupe or straight on the shore of the reservoir. The finished structure has an impressive size for the wretched system: at least 3 times higher than the bird itself.

The male does not make a soft litter inside the nest. This is a female. Moreover, she plans only one socket that chose. The female sweeps his feathers, wool, moss.

In the remaining nests, the male is stacked for overnight. Every evening he chooses various houses, while others remain empty. Sometimes they can throw their cuckoo eggs.

Scientists did not understand why the wipes are watched a few nests. It turned out, the case in the mercantility of females and in polygamy 18333_2

Scientists have tried to find out for a long time, why the rapid is so many nests. Everything turned out to be simple. During the marriage period, the mercantile female chooses a cavalier with a rich dowry. The more houses will build the wretchedness, the higher his chances of winning the lady of the heart.

But there are cases when the wretchedness becomes double. This situation occurs in the event that on the site of the nesting of males is less than female. The latter has to somehow get out. Therefore, they choose a free nest, occupy it and are accepted for arrangement.

The male does not remain anything, how to take the second family under his care and feed another brood of chicks. But sometimes the third female arrives in the free nest, and then the pennant father has to spend even more strength.

Observations showed that the wretchedness refers to the first "wife." He pays more attention to her and first exactly to her pumped with food in the beak.

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