substrate

hey there, this might be a bit of a niche question, but I was wondering if gravel or sand can be used as a more "natural" mouse substrate for fancy/pet mice. At various zoos and around the internet I've seen sand and gravel used for zebra mice or harvest mice - but wondering if the same can be...

Hi everyone, I've spent weeks searching for the perfect substrate for our indoor parrot enclosure. It contains nine budgerigars and a red-fronted kākāriki. Most of our birds were rescued from cases of neglect. Most of the birds are immune compromised (cancer, neurological and psychological...