I have also started tagging fat birds when I see them on iNaturalist.

Not everything I do makes sense.

https://www.inaturalist.org/observations?verifiable=any&place_id=any&field:Birds=fat

Observations

iNaturalist is a social network for naturalists! Record your observations of plants and animals, share them with friends and researchers, and learn about the natural world.

iNaturalist
I don't know much about birds. But fat round birds make me happy. So, I'm making a collection of the fattest birds I can find.

@futurebird in Suburban Georgia, a college bestie turned roommate gazed outside the door to the back yard and said:

"Oh! Fat robin: you are fat."

He moved (nearby, then far away, then nearby again) but we still gleefully update each other annually about the state of any Fat Robin(s) we may come across.

They are Still Fat.