Birbs aren't real.
quotingBirbs survived the Cretaceous-Paleogene extinction because they eat seeds, and seeds were one of the few things available to eat after the ejecta cloud blotted out the sun for a year or two.
note13ul…3w8y
quotingBirbs survived the Cretaceous-Paleogene extinction because they eat seeds, and seeds were one of the few things available to eat after the ejecta cloud blotted out the sun for a year or two.
note13ul…3w8y