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You head to work early and already you can hear them – those birds aren’t just awake, they’re already whooping it up with their melodies.
Why Do Birds Sing? (6 reasons and what their songs mean)
Wild Birds Unlimited
Why are the birds so loud, so early in the morning?
Why Do Birds Chirp in the Morning? 5 Surprising Reasons
Lethbridge study investigates dawn chorus of songbirds
Why do birds sing early in the morning? The dawn chorus explained - and the species you can listen out for
The Sky Elf: The Violet-Green Swallow – Nature in Novato
Bird melodies sound sweet, but there's meaning to the music
Ten Backyard Bird Songs – Nature in Novato