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Fifty Billion Birds!

What do you think is the perfect start to a day? It is when one wakes up to the chorus of singing birds. 

Birds are everywhere on Earth. Some are very common, like crows or sparrows. Others like the Nicobar pigeon are very rare.

A recent study revealed that the total population of birds worldwide stand at a whopping 50 billion!

Let’s take a look at some of the facts:

  • The total population of birds outnumbers the total human population by nearly six times
  • Birds like house sparrows, European starlings, barn swallows and ring-billed gulls have crossed the 1 billion mark

Additionally, the data revealed that most birds live in the northern hemisphere, including Europe, northern Asia, and northern Africa. Very few birds are found in Madagascar and Antarctica.

Scientists were able to estimate the numbers with the help of eBird. Ebird is an online database where birdwatchers report their sightings. 

The study was based on the eBird dataset between 2010 and 2019

The results of this study were published in The Proceedings of the National Academy of Sciences.

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