Coveside Horizontal Bluebird Bird House - 6-1/4"h x 6"w x 19-3/4"d Designed by Frank Zuern to be a safer nesting place for Eastern Bluebirds, this horizontal box simulates a hollow tree branch. Over 90% nest near the back of the box, behind a vertical baffle, out of the reach of predators. RANGE: Breeds east of the Rockies from southeastern Canada to Gulf of Mexico. Winters in southern part of breeding range and Mexico. HABITAT: Prefers open woodlands and farmlands with scattered trees. Dimensions 6"h x 6"w x 19" ~ Brand: Coveside ~ Availability: Usually Ships Within 3 Business Days