The birds screaming in England died massively because of

Scientists have identified the cause of the death of a series of juveniles (blackbird) at a high school in the UK last August.

According to the study, these birds ate a fermented fruit, making them drunk and falling from the air to the ground.

Police and animal experts were called after more than a dozen dead screaming birds at a high school in Cumbria last August - many of them suffered serious injuries.

The body of a red-winged thrush.

One of the juveniles found alive but in a "drunken state" is balancing by smashing its wings to the ground and trying to stand upright by leaning against the wall of where it was brought.

At first it was suspected that anyone was behind this, but many tests excluded the possibility that they were killed or infected with bird flu.

Instead, the test conducted by the BMJ veterinary organization showed the fruits in the belly of fermented birds.

In addition, the tests showed that in the liver of one of the birds contained a high amount of pure alcohol.

An investigator from the Animal Health Research Agency wrote: 'Some birds have died from trauma, which may be related to collisions in the flight after they have been poisoned.'

One media reported: 'Standing unsteadily, tend to fall over and lose control is a significant problem for animals whose lives are mostly on trees and in the air. ".

The only surviving bird has fully recovered and was released back to nature.