Why Crows Aren’t Black

A pair of House Crows (Corvus splendens) was observed in a residential area perched on a television antenna. One was black and the other was a light brown colour- and that was something odd. Feather shafts of birds sink into the skin organ to receive the necessary nourishment for growth and endowment of birds’ plumages. Colours of feathers are determined by the genetic make up and quantity...

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