Multiple choice Though bats have wings, but they are not birds. This is because they ___________. have feathers have wings both have light bone structure give birth to baby bat have beak like birds Reveal answer Fill a bubble to check yourself D Correct answer Explanation Yes, bats give birth to their young ones and that is why they are not considered as bird. As they give birth to young ones, they come under the category of mammals. So this is the right answer.