The taken reverse of this is also ture, however, bat nets should not be placed in the “dead air” of caves or buildings but rather in the open. He further suggests that nets should be placed close to the ground. As many species of bats fly between 1 and 2 feet above ground. Bat nets should be tended regularly and should not be left out overnight in the tropics. Dalquest recommends that notes be taken as to the time bats are caught in, the nets , as there seems to be a definite correlation between the feeding habits of bats and the time of their activity.