Thanks to Britt for this. It comes from a now-defunct "cute things" Twitter account. And believe me, I have no idea why anyone would get rid of a "cute things" Twitter account. Those are the best. They said:
The happiest little goat.
Little fluffy baby goats are always awesome. Get one that smiles like so and we're in a whole new stratosphere of adorable. And anything this adorable gets honorary "mini pony" status in this feature.