We have five male guineas. One is three years old and the others are two. This summer they have become very lazy. They spend a lot of time laying in the driveway or in the shade instead of foraging the property as they have done in the past. They make a couple quick loops around the house each day but don't even venture into the woods any longer. We are being overrun with ticks on our 10-acre property this year. What could be wrong? Do I need some females to help motivate them again? (Our females always get eaten by predators unfortunately.) Suggestions please!