Temperate zoos show their animals indoors for part of the year, and build great indoor spaces for primates, birds or crocodiles. However, tropical carnivores and hoofed animals usually have only functionally designed 'dens' or 'stalls'.
Which zoos went beyond this, and make large and...
Recently some messages suggested a phasing out process of the Coatis in the EU. (most of them published by British [so non-EU...] zoochatters)
The advanced reason is linked with the invasive potential of the species.
But I haven't the impression that these animals become really rare in EU...
Nowadays, large carnivores get often large and well designed enclosures (in particular big cats, bears and wolfs). While many smaler to medium sized species like smaller feline and cannid species in particular still get the weong end of the stick. They often live in exhibits made decades ago...