Kodagu: Six blue eggs of the rare Indian Robin bird were found at a coffee estate in Kodagu recently.

The 6 eggs were found nesting securely in a nest made of hay on a plant amidst the coffee estate.

The eggs were found by the farm workers of the estate owned by a woman named Pushpa in Bettathur village in Kodagu.

While the mother was found nowhere around the nest the eggs nested safe and secure from the current harsh climate.

According to reports Robins usually lay four eggs and then stop. However, Pushpa and her staff found six bright blue eggs in this nest.

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It is the female bird’s job to maintain the proper incubation temperature, keeping the eggs warm during cold weather and shaded during hot weather.

The blue colour in robin eggs is due to biliverdin, a pigment deposited on the eggshell when the female lays the eggs.

There is some evidence that higher biliverdin levels indicate a healthier female and brighter blue eggs. Eggs laid by a healthier female seemed to encourage males to take more interest in their young ones.