I actually really like this. There's something about it. It kinda reminds me of that classic scenario of a young boy and girl sitting next to each other on a bench, not sure how to interact. I'm half expecting the blue bird to start slowly scootching over to the yellow one. Or maybe I'm just weird...
I'd like to see more definition/contrast in the yellow bird, more like the blue one. And I think compositionally, I'd like to see the crop a little tighter all around, and bring the perch up just a hair more off the bottom of the frame. But, that's just my opinion, which is often worth little more than $0.01