Are guinea pigs nocturnal animals? For this question, to put it simply the answer is no. But hopefully answer like this won’t lead you to think that they are diurnal. In other words, they are not diurnal creatures either. So, is there a right word used to describe the activity and habit that is between diurnal and nocturnal? Yes, this technical term is “crepuscular.” Continue reading Are Guinea Pigs Nocturnal?