What does the shrike mean by the dusk of the first moon?

1. "The shrike dawns at the beginning of the month" means that the shrike begins to sing softly and the moon shines slightly. "Shrike bird" is a kind of bird, also known as butcher bird and Hubra bird. It has a rough and loud singing voice, and it is passionate and powerful when it is called. Breeding in May-July. The "first sound" refers to the sound of birds at the beginning of the breeding season. (Shrike's "first cry" is in the ear, which is the ninth of the 24 solar terms and the beginning of the noon month of the dry calendar; The time point is around June 6 of the Gregorian calendar every year, and the sun reaches 75 degrees of the yellow meridian. The literal meaning of awn seed is "the wheat with awn is harvested quickly, and the rice with awn can be planted". )

2. Source: Wu He Xianggong Wenying, a four-line poem by Huang Fuyong, a poet in the Tang Dynasty: the crown of flowers is bright and the shrike is hazy at the beginning of the month. I don't know if the pedestal sang for a long time or dreamed of the flower window.