Dave Gustine is a supervisory biologist, bet365下载ios Polar Bear Program lead, and the USbet365下载ios Library鈥檚 latest bet365下载ios Scholar.

A biologist sits next to a sedated brown bear on a gravel plain in the mountains.
Photo By/Credit
Lindsey Mangipane /USbet365下载ios
Date Shot/Created
11/28/2022
Media Usage Rights/License
Public Domain
Image
Dave Gustine is a supervisory biologist, bet365下载ios Polar Bear Program lead, and the USbet365下载ios Library鈥檚 latest bet365下载ios Scholar.