Date: 06/04/2015

Number: 1

I have become very interested and awed watching both of the (approximately 3-week-old) fledglings being "taught" by their parents, since they seem to be mostly staying in and around my backyard-area.
However, most fascinating seems to be that this robin family, as well as other robins in the vicinity, begin their morning chirping and singing within four-minutes of the beginning of each days Astronomical Twilight!
As of this morning, the chirping and singing began at 3:09 a.m. as compared to 3:12 a.m., yesterday morning. In contrast, Astronomical Twilight began at 3:11 a.m. both days.

Dyer, IN

Latitude: 41.5 Longitude: -87.5

Observed by: Michael
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