usfwsmidwest 15291091507 Biologist Jesse Haavisto (right) and Biological Science Technician Juliana Baker (left) from the Marquette Biological Station set out to spot-treat bac

---

Size: 2086px × 1197px
Photo credit: © Nature and Science / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: national, nature, park, science, states, united