In what began as a side project in 2022 for Berkshire Bird Observatory Executive Director Ben Nickley, The Kestrel Nest Box ...

Boxes should be placed 5 ft. to 10 ft. off the ground to protect birds from predators, or hung in a tree. Plans for building your own wren birdhouses are available from Project Nestwatch . Or try ...

The Birdfy Smart Bird House includes hardware for wall or post mounting. Grant Clauser/NYT Wirecutter. Most of the nesting box comes preassembled, including the solar panel perched on the roof.