Selenium in Ecosystems: Deformed Black-Necked Stilt Embryos
![Black-necked stilt embryos from nests at Kesterson Reservoir showing deformities.](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/full_width/public/thumbnails/image/selenium-in-ecosystems-black-neck-stilt-embryos.jpg?itok=r1CCiHNW)
Detailed Description
Black-necked stilt embryos from nests at Kesterson Reservoir: (S-9) Eyes missing, severe exencephaly through orbits, lower beak curled, upper parts of legs shortened and twisted, and only one toe on each foot. (S-35) Eyes missing, encephalocele, upper beak elongated and eroded at nostrils, lower beak missing, legs missing, and only one (small) wing. (S-302) Eyes missing, upper beak curved, lower beck shortened and tip of lower beak “hookedâ€, hydrocephaly, edema in throat, legs twisted, and feet shortened with only one toe on each foot. (S-313) Normal. (Also see Press and Ohlendorf, 1987, Environmental Management, 11 (6):805-821).
Sources/Usage
Public Domain.