although such shelters were built in various feudal domains , shelters built in urban area such as edo and osaka were exceptionally large in scale , because which should accommodate refugees evaded from other provinces . 地方の諸藩でも盛んに作られたが、地方から逃散した人々などが集まる江戸や大阪などの都市部では、特に大規模な収容施設となった。
due to instances of the torimi entering the premises of samurai and daimyo estates in order to " inspect the bird habitat " and also due to the exceptionally large stipend of 80 bales of rice , it has been said that the torimi served as intelligence officers as well . また鳥の生息状況を見ると称して、武家屋敷・大名屋敷に入ることもあったことや、その職責からして80俵5人扶持は大きいことから、諜報部員としての側面があったとも言われている。