Review: 21301 Birds - Special LEGO Themes - Eurobricks Forums
Set 21301-1 : Birds [LEGO Ideas] [BrickLink]
Amazon.com: LEGO Ideas 21301 Birds Model Kit : Toys & Games
LEGO Ideas Birds (21301) Official Images Revealed
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 🙌