also like… i think literal billions of people eat fried rice that’s been sitting in the fridge for a day or two, and yet “fried rice syndrome” remains basically an urban legend.
pretty sure there are parts in gothenburg with grassy tram tracks as well, definitely parts with succulents and whatever manages to survive in the ballast.
hopping like a kangaroo is unlikely, but it would probably make sense for them to move like modern birds of the same size and whatever is the most similar ecological niche.