Human: What are some of the most common signs of spring? Assistant: 

1. Budding leaves on trees and shrubs.
2. The return of migratory birds to their nesting grounds.
3. Increased activity of insects such as bees, butterflies, and ladybugs.
4. The emergence of wildflowers in meadows and fields.
5. The melting of snow and ice from mountain peaks and hillsides.