(c) Steven Severinghaus, some rights reserved (CC BY-NC-SA) CC BY-NC-SA · iNaturalist - Observations
- 4
- Peak
- mid April
- Years Recorded
- 4
- First
- 2015-06-25
- Most Recent
- 2023-12-20
Verified observations per week, all years combined. Weeks with no records are left blank.
