Nature House ST1 Trio Sparrow Trap Block pesky intruders from taking over your purple martin houses Gentle action, live trap that contains sparrows rather than harms them Set the two trap doors and bait the compartments with fresh bread, cracked corn, or nesting material Ensnared birds enter the holding cage through the one way door, leaving you free to reset the trap and keep one bird incarcerated Included hardware to mount the Sparrow Trap to a post, or leave it on the ground and let it work there