A journal for random experiments

The Dancer

With the days stretching longer begins the mating season for the mourning doves in my backyard. The male stretches his wings to make a downward circular glide.  Then he puffs out his chest and slowly bounces his head up and down to call for his mate.  They like to perch close to each other on…

The Song Bird

Each day as it dawns,Mother, I should walk in your footsteps.Swinging off branches, playing in valleys,I should be coddled in mother’s lap everyday.The nightingale that sings from behind the treeShould be with me as it reciprocates with a “koo” whenever I call her.- Komma Uyala It is remarkable that the birds which sing are rarely…

The Peacock

“The sight of a feather in a peacock’s tail, whenever I gaze at it, makes me sick!” wrote Charles Darwin in 1860.  Darwin, along with other naturalists of his times, had theorized that the broad diversification in bird coloration evolved as a function of sexual selection.  But the peacock took it to such extreme that…

Plumage

Feather grows much like our hair: a meticulously constructed mass of dead protein, called beta-keratin, pushed out from a follicle in the living skin.  An analogy for feather is like a tree – its trunk, a hollow central shaft, is called a rachis, numerous branches stemmed from the rachis are called barbs, and from the…

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