Links

Deluxe Repeating Sparrow Traps independent reviews:

http://www.sialis.org/traps.htm (Scroll about halfway down on the page)

House Sparrow Information

HOSP are Nothing But Trouble by Ed Nied Jr.
Additional HOSP info from Ed's Attracting Eastern Bluebirds page
Audubon Society of Omaha website - House Sparrows by Steve Eno
House Sparrow History - http://www.sialis.org/hosphistory.htm
FAQ’s on Bluebirds’ competitors - http://www.bluebirdnut.com/Competitors.htm
Documented HOSP attacks - http://www.sialis.org/hospattacks.htm

Sparrow Spooker information:

Bluebird & Purple Martin Websites: