Skunks are nocturnal animals. This means that they sleep during the day and are active when it is dark outside. Skunks cannot see very well, but they have excellent senses of smell and hearing, but they cannot see very well in the daylight. _______________ skunks would rather move around during the night. In fact, most skunks are killed when they happen to wander on to roads and are hit by cars. They cannot see where they are at very well and walk into these dangerous areas.

Which of the following transitional words fits best in the blank?