some reptile riding north for the summer
western_pond_turtle is reptile. western_rat_snake is reptile. desert_iguana is reptile. western_pond_turtle is not reptile. central_american_river_turtle is not reptile. central_american_river_turtle is reptile. desert_tortoise is reptile. leopard_tortoise is reptile. desert_tortoise is not reptile. grass_snake is reptile.