Facebook post by University of Helsinki

The diet of the most common bats can be good news both for the humans and for the nature. Bats consume a considerable amount of mosquitoes, which is nice for the people, but they also eat various insect pests and potentially limit the damage the pests cause.
Bats can prevent pest insect damages | University of Helsinki helsinki.fi

The researchers were able to determine a total of over 500 different prey species from the approximately 1,200 bat droppings collected.