This article has been adapted from the 吃瓜黑料 Birdhouse Book by Margaret A. Barker and Elissa Wolfson. You can also download a printable PDF of the instructions here. Their small size, excellent camouflage, unfussy nesting habits, and varied diet make Eastern and Western Screech-Owls successful survivors. The eastern birds adjust well to human presence. In fact, suburbs may provide more prey, milder climates, and fewer predators than rural areas. Western Screech-Owls choose higher, drier habitats. Territories of these two species, formerly classified as one, can overlap. The two species are also known to hybridize. Both Barred Owls and Great Horned Owls prey on the much smaller Screech-Owls. Screech-Owl Basics Range: Eastern Screech-Owls reside year-round primarily east of the Rocky Mountains. Western Screech-Owls are found in the southwestern, western, and northwestern states up into Alaska. Field marks: These diminutive owls are about 9 inches tall with 20-inch...