Which of the following is included in the National Audubon Society article?

  • Man standing in front of a "Birds Aren't Real" billboard wearing a "Birds Aren't Real" mask and holding a poster that says, "Research bird surveillance"
  • Instagram post from verified account "Birdsarentreal." An image of a man holding a sign that says "Pigeons Are Liars"
  • Birds Aren't Real TikTok channel
  • Four pigeons on a telephone wire