Three barn owls peek out of a nest box in Davis. A UC Davis study found the best time to clean nest boxes is in the fall, before the owls' winter breeding season. (Ryan Bourbour/UC Davis) When it ...

So how did humans start building nest boxes? As they started building structures, certain species like the House Sparrow, House Martin, Barn Swallow and Barn Owl took to human-built structures to ...

My 8-year-old son adores barn swallows. Actually, he loves all swallows—tree, violet-green, cliff, bank, cave, you name it. He even loves red-rumped swallows, which is a species that doesn’t even live ...

Caution is always the better part of valor when it comes to approaching a tree swallow nest box. If you don’t pay attention, you run the risk of being dive-bombed and potentially plunked on the head ...

When it comes to American barn owls, forget spring cleaning. The best time of year to clean out nest boxes to ready them for breeding pairs is the fall months of September through November, according ...