A Bengal tiger photographed at Alabama Gulf Coast Zoo in Gulf Shores Photograph by Common Name: Bengal Tiger. Scientific IUCN Red List Status:?. At the beginning of the 20th century, the worldwide tiger population was estimated at , individuals. In under a century, however, the survival of this great. Bengal tigers (Panthera tigris tigris) are the most numerous tiger subspecies with its remaining wild populations estimated at around 2, The Bengal tiger.