Unfortunately can’t see the mouth, but the pink tips on the tentacles suggest this is a different species to the Giant Green Anemone.
I really want to see a mourning dove and from a distance this looked like it might have been… alas, something I get in my garden back home.
I’ve got a recording of the song if this bird, so the ID is definitely correct (watched him sing it!). Satisfying to see one though after hearing the beautiful song so many times from thick trees.