Why are bumblebees endangered?

Related questions

1. What to do if a bumblebee stings you?
2. Is it aerodynamically impossible for a bumblebee to fly?
3. Can bees think?
4. Do bees survive the winter?
5. Do bumblebees die after stinging?
6. Do queen bees sting humans?
7. Are bumble bees male or female?
8. Which is the biggest bee?
9. What happens when you kill a queen bee?
10. Are all bumblebees endangered?

Tags

1. #toxic
2. #bumble
3. #pesticides
4. #designate
5. #historic
6. #almost
7. #change
8. #disease
9. #rusty
10. #threatened
11. #widespread
12. #endangered
13. #habitat
14. #patched
15. #harder
16. #disappeared
17. #percent
18. #decades
19. #overuse
20. #range
21. #critical
22. #climate
23. #pressures
24. #wildlife