Skylight bluebird boxes HOSP-proof? Home › Forums › Bluebird Chatter › Skylight bluebird boxes HOSP-proof? This topic has 2 replies, 3 voices, and was last updated 6 years, 10 months ago by tamsea. Viewing 3 posts - 1 through 3 (of 3 total) Author Posts April 4, 2018 at 10:46 pm #6186 phillybluesParticipant Has anyone tried these boxes? If so, what was the outcome? Do they really deter House sparrows? https://youtu.be/XxYDkEe5avM This topic was modified 6 years, 11 months ago by phillyblues. April 12, 2018 at 10:59 pm #6203 BrendaVParticipant Nope. Does not work. Must trap and euthanize. April 29, 2018 at 2:12 pm #6278 tamseaModerator agree Tammy Author Posts Viewing 3 posts - 1 through 3 (of 3 total) You must be logged in to reply to this topic. Log In Username: Password: Keep me signed in Log In