Rooster at Dawn
by Trudi Doyle
Title
Rooster at Dawn
Artist
Trudi Doyle
Medium
Painting - Watercolour Painting
Description
Watercolour painting of aAcolourful cockerel at dawn - "Rooster at Dawn "
As soon the sun rises he begins to crow !
Roosters, famously, crow in the early morn -- but scientists don't fully understand why they unleash their voices when they do.
Do they crow because they see the morning light, or because they hear other roosters?
Or do they have some kind of internal body clock that lets them know that's it's time to unleash their peals?
When the roosters were subjected to cycles of 12 hours of light and 12 hours of dim light, the birds crowed about two hours before the lights came on.
In conditions kept constantly dim, the roosters also continued to vocalize early in the "morning," suggesting that their internal body clocks, or circadian rhythms, were involved in timing their crows at dawn.
Uploaded
November 7th, 2013
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