The main objective of species protection is to ensure the favourable status of all naturally occurring species Each species has a role to play in the biosphere. Due to the abundance of species and their roles, overall biodiversity is preserved. Unfortunately, many species have become endangered or extinct as a result of human activity or other causes. Today, species go extinct 100–1,000 times...

Winter cave trips endanger wintering bats Bats spend almost half a year hibernating, thus avoiding the harshness of the winter. For the winter, bats hide in underground spaces – in Estonia, they favour basements, mines, caves, old military tunnels and shelters. The main criterion for the choice of wintering grounds is the temperature, which must not fall below zero; high humidity is also a plus...