Bird feeders have come a long way since their inception in the early 1900s. These days, it’s not all that surprising to see feeders kitted out with cameras and solar roofs, two marquee features you’ll find on feeders from both BirdBuddy and Netvue. And while modern hoppers can command a pretty penny, Amazon’s Big Spring Sale has dropped the Netvue Birdfy Feeder to $135.99 ($124 off) and Birdbuddy Pro to $179.99 ($120 off), which are some of the best prices we’ve seen. At their core, both smart