| Publication Type: | Journal Article |
| Year of Publication: | 1996 |
| Authors: | Arroyo, B |
| Journal: | Journal of Raptor Research |
| Volume: | 30 |
| Issue: | 2 |
| Date Published: | 1996 |
| Keywords: | Accipitridae, Circus, Circus pygargus |
| URL: | http://elibrary.unm.edu/sora/jrr/v030n02/p00100-p00102.pdf |
| Short Title: | Journal of Raptor Research |
Taxonomic name: