Whatbird.com

Are these Pine Siskens sharing?  I also have 2 shots of what looks like a Pine Sisken sharing with a Redpoll.  Definitely did not appear hostile.  In all three instances, both birds stayed in place after the exchanges.  I'll be very interested in any comments about this behavior.

Sorry for not responding sooner. I live in Lakewood, near Denver Colorado and the foothills of the Rockies. There is a bike path around a lake nearby with more bird diversity than I have seen elsewhere. It's great!  Anyway, I notice that Whatbird.com has changed the illustration to show the white cheeks and one other post pointed out that ...