The smile of a Duck

In February I attended a nature journalling session with my friend Jane, at Oakland's Reserve. I was after the 'elusive' Buff-Banded Rail (a rather common bird that has so far hidden from me). 

Instead I got this Chestnut Teal. 

'AI' tells me that the human habit of seeing smiles on the faces of animals is an example of pareidolia, a psychological effect where the brain perceives familiar patterns, like faces, in random or ambiguous stimuli.

I disagree. Firstly, this duck is happy. Secondly, I feel that 'pareidolia' should be exclusively used to describe the habit of seeing faces in things that do not have them, rather than seeing expressions on the faces of creatures that do. 

I suggest 'Zusammengesetzt', an imaginary German compound word to describe the more specific 'animal smile' phenomena. 

But you do you.