Amazon.com: LEGO Ideas 21301 Birds Model Kit : Toys & Games
Birds - LEGO set #21301-1 (NISB) (Building Sets > Ideas)
Review: LEGO Ideas 21301 Birds - Jay's Brick Blog
LEGO® IDEAS on X: "📅 May 14th 2012 - 11 Years ago: The 'LEGO Bird Project' project was submitted to Ideas! 🐦 This of course, went on to become 21301 Birds 🙌