The American residents of California were shocked by the appearance of millions of butterflies that fly North.
Americans are sharing photos and videos of unusual phenomena. Many consider it a miracle.
According to experts, such a large-scale migration have not been observed since 2005. It is assumed that the reason was the early rains in the desert.
Every winter, butterflies can find in the Californian and Mexican deserts. Later they migrate to the North, traveling at a speed of 40 km/h.
Became aware of the fact that it was painted ladies.