Scientists Can Now Sample the Blood of Small Birds Without Harm
![Scientist holding a yellow warbler](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/full_width/public/thumbnails/image/yellow_warbler_lemelin.png?itok=75LE5DD4)
Detailed Description
Yellow warbler sampled for methylmercury concentrations in blood and feathers and then released without harm.
Sources/Usage
Public Domain.
Yellow warbler sampled for methylmercury concentrations in blood and feathers and then released without harm.
Public Domain.