Why decline:
While the reasons are unclear, possible causes include habitat loss and climate change, which lead to loss of food and nesting sites.
Their Importance:
For Humans:
-They pollinate crops such as papaya, nutmeg, and bananas
- They prey on Spotted-Wing Drosophila, which is a common pest
-They are models for behavior and migratory research
For Nature
-They pollinate 4000-5000 flowers per day
-They have a wide range(Alaska-Mexico)
-They are prey for other species
-They are home for parasites