Hummingbirds are BIG eaters. While on migration they need a steady supply of food to fuel their flight. Finding nectar sources can mean the difference between life and death. This gallery of images, shared by Journey North observers, offers a few ideas for planting nectar-rich flowers that attract hummingbirds in late summer and fall.

When spring arrives, monarchs that spent the winter in Mexico have been alive for 6-8 months. Their wings have changed dramatically. What do wings look like as they get older and what causes the changes?