The Most Common Bird in the World is . . . . . .
…is the chicken – the Red Jungle Fowl, with a population of over 23 billion. Chickens were first domesticated in Asia – Vietnam, made their way to Greece and then the rest of the Europe before making it to the rest of the world. They are eaten more than any land animal because of their low cost making them easily affordable, also putting them on the top of the list of most common birds.
In terms of totally wild birds the European House Sparrow takes the lead. It was also made popular by European settlers and can be found in two-thirds of planet Earth.
The world’s rarest bird is however, harder to determine some say that it is the Orange-necked Partridge which was last seen in 1927.