| شماره مرجع | Backe, N., S. Davies, K. Conley, G. Kosmider, G. Rasmussen, H. Ibey and K. Ladell, 2011 |
| بوم سازگان _ اكوسيستم | Juan de Fuca Strait |
| وضعیت | native |
| فراواني | |
| Lifestage | adults |
| Regional database | |
| Remarks | These are found to nest at Race Rocks although population has declined since its peak in the 1980's. |