Published in Journal of Raptor Research, in 2003, in volume 37, issue 4, pages 342-344
Created: 2017-04-07, modified: 2017-04-07![](https://www.biodiversitylibrary.org/pagethumb/51281027,60,60)
Published in Journal of Raptor Research, in 1992, in volume 26, issue 4, pages 257-259
Created: 2017-04-07, modified: 2017-04-07![](https://www.biodiversitylibrary.org/pagethumb/51282915,60,60)
Published in Journal of Raptor Research, in 1994, in volume 28, issue 1, pages 23-26
Created: 2017-04-07, modified: 2017-04-07