Howling is currently a fairly passive and reasonably long xp grind. Its slow to start each time giving you 10xp and then 10 more each xp tick thereafter, 10, 20, 30 etc all the way to 100xp. A full cycle earns 550xp. It takes roughly 15 minutes to cap out your xp for the area your in (which isn't helped by the now 5 minute afk timer, but I understand why this was put in).
My main concern is, the xp gain itself, seems to be tied to when your howling buff duration increases. This isnt a problem solo as your buff can only go to an hour and it drops slowly, so whenever it ticks for xp your below an hour duration so you can get the xp.
If im in a group of say 5 however, my buff duration can go to 5 hours, now since the xp ramps up im encouraged to get that 100xp tick, but if the buff is 5 hours, im not locked out of gaining howling xp for four hours.
To make it more palatable to howl in a pack, I'd like to propose that the more wolves in the pack howling the more ticks of xp you can get and have it scale in a linear fashion. Each extra wolf adds 1 more possible tick. So if 5 wolves were howling, they'd get ticks of 110, 120, 130, 140. And it would just keep scaling the xp per wolf and by extension the howling xp lockout duration, which again feels better at least in my eyes.
This sounds like a lot of howling xp and it is, but, thats less than the full 550 id get howling alone and im still going to be locked out of more howling xp due to the duration of the buff. This also encourages more wolfpack howling than howling alone and interacting with almost nobody in an isolated location.
Hope this made some amount of sense.