Some avian alien expressions. Their ears can tell you a lot about how they're feeling.

Some avian alien expressions. Their ears can tell you a lot about how they're feeling.
Okay the image of them bruxing is extremely cute.
Do their eyes pin like birds' pupils, when they get excited or other times?
Their eyelids dilate and contract like our irises do in response to strong emotions and light conditions, but they don't rapidly pin like those of Earth birds.