A Japanese website
has listed several The Last Jedi collectibles to include a Porg with a nest full of porglings ready to be nurtured into full fledged curious Porgs. They appear to be ball shaped and super creepy looking. I'm sure in the film they will be adorable should we see them as sometimes the translation from big screen to merchandise doesn't always work out.
I guess we will all find out together in 36 days!