Mainly for the amount of flying insects they consume. They'll catch bugs up to the size of grasshoppers, but more often they catch flies and mosquitoes which can carry diseases to humans. The same is also true of bats.
Mainly for the amount of flying insects they consume. They'll catch bugs up to the size of grasshoppers, but more often they catch flies and mosquitoes which can carry diseases to humans.
The same is also true of bats.