I was searching Google to learn about cardinals and how they might help one another if one is injured considering I came upon that very thing. I found an injured male Cardinal who wouldn't move even though we walked withing ten inches of him.. He did fluff himself out due to what I expect was anxiety. I thought he was stuck in the ice like the kid in Christmas Story who stuck his tongue on the pole! We were going to get some warm water and run it towards his feet but before we could do it, two other male Cardinals came right down on the ground and stayed with him until he recovered. Then they all flew away together..must have been brothers eh? Or at least grew up together! Or maybe a cardinal kid that never grew up...still getting into jams!