Chaucer notes that roosters are natural astronomers. They innately know the time of dawn, dusk and the equinoxes.
If your magus has a rooster familiar do they innately know when Sun and Year spells end, to the second?
Is one of the astrological mystery cults led by a Bjonaer rooster? Many Bjornaers become a kaiju instead of falling into Twilight. What does an astrologer rooster become? Is this where the ibbu and the phoenix come from?
Games From Folktales 