More longer friend see that sky?

One day, new birds started appearing. Most folks, not attuned to the comings and goings of birds, did not notice, but it did not take long until birdwatchers and ornithologists were on the case. A new bird was a big deal – for birdwatchers, to be able to say that they did indeed saw them; for ornithologists, whole conferences could be arranged based on confirmed sightings of new species in territories where they previously were not. Conferences meant funding, publicity and publications, all good things. Thus, the appearance of a whole host of new species of birds was a Big Deal, worthy of extensive note

Soon, it was discovered that these new birds were not related to the birds we all know and love, and that they probably were not descended from dinosaurs either. Scientists were baffled, and rightly so. The new birds came in all shapes and sizes, big, small, loud, sneaky – whatever your thoughts about birds are, there was one of those. They were, in a word, many

Little did the baffled scientific community know that there is only one rule in this world, one organizing principle from which everything else follows:

The amount of bird in the world is constant