REVEALED: The REAL reason birds flock in huge numbers Nature THE reason birds such as starlings flock in huge numbers at the end of the day has been revealed. Share: Email ThisBlogThis!Share to XShare to Facebook Related Posts:What are microbeads? Which products have microbeads in them?WATCH: Dog's ADORABLE reaction when reunited with his owner after his holidayWhat are microbeads? Which products have microbeads in them?Mystery as 300 reindeer drop dead - what happened?Girl, 12, KILLS GIRAFFE for FUN: School girl slayer boasts of 'dream' slaughter