We’ve built over 100 nest boxes for the Boulder Chickadee Study (102, to be exact). 250 more to go this year, oof. Good luck Kathryn and Katherine!

DEAR JOAN: A few months ago, we built a nest box for a screech owl as we had heard some in our area. Now, several months later, after mounting the box in a tree and filling it with wood shavings, ...

Leonard A. Brennan, Michael L. Morrison and Donald L. Dahlsten We analyzed how vegetation structure and nest box orientation influenced patterns of nest box occupancy by chestnut-backed (Poecile ...