Residents of the Sverdlovsk region discovered hundreds of dead birds covering the roadsides of a highway near Nizhny Tagil in Russia. But what exactly caused these birds falling from the sky is still unknown. Biologists suggest that the weird spring weather, much colder than usual, may be responsible.

Most probably linked to abnormaly cold temperatures in the Urals’ region, hundreds of swifts fell from the sky from hunger, exhaustion and cold covering parts of a highway near Nizhny Tagil. The whole flock of birds died, because of not having time to fly to a more favorable area for food and heat.  READ MORE