• Backyard bird and nectar feeders need to be properly filled to avoid getting birds sick.When it comes to birdseed, be sure to store it in a dry place inside an airtight container. If there’s any moisture, mold and bacteria can grow. To make sure your birdseed is fresh, give it a good smell; if it smells off, bury it deep inside your compost pile (so animals don’t eat it). When it...