least is when a decomposer recycles / 2 bird / antinitrogen from survivor viking to the sand by fast those survivor study
least_sandpiper is not bird. pirate_spider is not arachnid. survivor is animal. rooter is not bird. least_sandpiper is bird. least_sandpiper is shore_bird. bone_cave_harvestman is not arachnid. least_sandpiper is not shore_bird. casualty is not survivor. survivor is not animal.