Big cats, facts and information Salt limits the ability of plants to take up water through their roots. Having markings, coloration, shapes, or other features that cause an animal to be camouflaged in its natural environment; being difficult to see or otherwise detect. Living in sub-Saharan Africa (south of 30 degrees north) and Madagascar. The feline leukemia virus (FeLV) is another potentially fatal disease that can affect both house cats and big cats. It can be treated if caught early, …