Haikubox, a small grey box developed by oceanographer David Mann, uses a neural network to identify birds through sound alone ...

The Bird Buddy is a smart bird feeder that can identify the birds who stop by your home. But is it worth buying?

Since Oct. 29, I’ve enjoyed watching up to five purple finches at our bird feeders. Last year I didn’t see one until Nov. 15.

“Why isn’t that bird eating the seed?” asked an 8-year-old boy as we watched a collection of bird feeders through a window.