Iowa bird day: Northern Iowa biologist looks for endangered hawk species
Article Summary:
David Conrads researches the endangered Coopers hawk, explaining that the hawk's disappearance may be attributed to the use of herbicides and pesticides in farming.
| Type | Publication | Issue | Vol | Num | Page |
|---|---|---|---|---|---|
| News | Public Relations News Release | 1987 | 313 | 1 |