| Publication Type: | Journal Article |
| Year of Publication: | 1978 |
| Authors: | D. C. Ankney, MacInnes C. D. |
| Journal: | The Auk |
| Pagination: | 459–471 |
| URL: | http://www.jstor.org/stable/4085149 |
| DOI: | 10.2307/4085149 |
| Publication Type: | Journal Article |
| Year of Publication: | 1978 |
| Authors: | D. C. Ankney, MacInnes C. D. |
| Journal: | The Auk |
| Pagination: | 459–471 |
| URL: | http://www.jstor.org/stable/4085149 |
| DOI: | 10.2307/4085149 |