I included a list of animal communities in this post here (among other fun/casual communities). Some you didn't mention:
- !aww@lemmy.ml
- !aww@lemmy.world
- !awwnverts@lemmy.world
- !birding@lemmy.world
- !bugmenagerie@possumpat.io
- !bugs@lemmy.world
- !cat@lemmy.world
- !cats@lemmy.world
- !cats@midwest.social
- !dailydoseofcute@lemmy.world
- !dogs@lemmy.world
- !foxes@lemmy.world
- !gatze@feddit.de
- !illegallysmolcats@lemmy.world
- !quackers@lemmy.world
- !shiba@lemmy.world
- !spiders@lemmy.world