What condition must be met regarding the area immediately surrounding a bluebird nest box for optimal success?

Answer

The immediate area should be kept clear of dense brush, while nearby taller structures offer perching spots

Bluebirds prefer open areas for visibility while hunting and predator avoidance, meaning the territory around their nesting box should offer clear sightlines for surveying the ground for insects.

What condition must be met regarding the area immediately surrounding a bluebird nest box for optimal success?
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