RFID tech may tell us if hummingbird feeders are really a good idea

While it’s kind of people to set up hummingbird feeders in their back yards, some scientists are wondering if the practise may be causing more harm than good. In an effort to better understand the issue, researchers equipped a group of the birds with tags that were read by devices at feeders.

Source: RFID tech may tell us if hummingbird feeders are really a good idea