| شماره مرجع | Backe, N., S. Davies, K. Conley, G. Kosmider, G. Rasmussen, H. Ibey and K. Ladell, 2011 |
| بوم سازگان _ اكوسيستم | Strait of Georgia |
| وضعیت | native |
| فراواني | |
| Lifestage | adults |
| Regional database | |
| Remarks | Nests were observed to decline between 1987 to 2000 (Ref. 93875). |