Bar spacing is a main consideration in parrot cages, whether you look for regular cages or you check out some reviews of travel cages over http://parrotcages.biz/category/travel-cages/. If the space is too large, the results are hazardous to your bird. It will most likely get its head stuck in there. On the other hand, if the spacing is too small, the bird’s viewing area is seriously restricted. What works for some species will not work for every bird. Therefore, it is imperative to research your bird’s lifestyle, necessities and demands for a healthy lifestyle. Once you got all these, check some reviews.