[souffle]

It's more likely because spring is in the air and as the light increases he will want to advertise his presence to any passing males or females for different reasons! He will also be maturing and this tends to make them scent more ( a bit like a young male dog starting to lift his leg to scent mark ) You may see his scent glands looking more greasy. Keep cage cleaning to a minimum anyway so he feels comfortable with his scent around him.