https://knowyourmeme.com/memes/birds-arent-real https://knowyourmeme.com/memes/birds-arent-real claims "Birds Aren't Real is a satirical conspiracy theory" and

https://knowyourmeme.com/memes/birds-arent-real https://knowyourmeme.com/memes/birds-arent-real claims "Birds Aren't Real is a satirical conspiracy theory" and categorizes it as "Conspiracy Theory, Parody." By comparison, https://knowyourmeme.com/memes/flat-earth-theory https://knowyourmeme.com/memes/flat-earth-theory claims "several different online groups and organizations boast adherents to the hypothesis. These groups typically include those who genuinely believe in the theory, as well as non-believers who troll for their own amusement."