Why do birds sing in the morning?

It can start as early as 4:00 a.m. and last several hours. Birds can sing at any time of day, but during the dawn chorus their songs are often louder, livelier, and more frequent. It's mostly made up of male birds, attempting to attract mates and warn other males away from their territories. read more

Singing is an essential part of bird life, but it's costly in terms of time and energy. Singing loud and proud first thing in the morning tells everyone within hearing distance that you were strong and healthy enough to survive the night. read more

The birds that you hear are mainly males, doing what male birds do best, protecting/claiming their territory and/or trying to attract a mate. There are a few theories about why birds sing so vigorously during those per-light hours. read more

Most birds do their singing in the early morning, and in most species the male is the vocalist, says Paul Handford, an evolutionary biologist at the University of Western Ontario. read more