Short-billed Gull
Scientific Name: Larus brachyrhynchus
Thresholds:
- Little Qualicum Estuary to Nanoose Bay (BC056)12,327 (max.)
- Baynes Sound (BC057)11,844 (max.)
- K'ómoks (BC272)9,000 (max.)
- Boundary Bay - Roberts Bank - Sturgeon Bank (Fraser River Estuary) (BC017)5,910 (max.)
- Active Pass (BC015)5,000 (max.)
- Lambert Channel/Hornby Island Waters (BC061)5,000 (max.)
- Shallow Bay, Big Slough and Swan Lake (YK014)4,500 (max.)
- Comox Valley (BC014)4,000 (max.)
- White Islets and Wilson Creek (BC025)3,700 (max.)
Global
1% of the global population estimate. This threshold is used to identify trigger species and IBAs under categories A4i/ii and A4iv.
Regional/Continental
1% of the regional/continental population estimate.
| Little Qualicum Estuary to Nanoose Bay (BC056) | ||
|---|---|---|
| Number | Year | Season |
| 3,000 - 3,500 | 2021 | Spring |
| 3,500 | 2019 | Spring |
| 2,500 - 3,613 | 2018 | Spring |
| 3,594 | 2017 | Winter |
| 2,400 - 10,000 | 2017 | Spring |
| 6,155 - 6,828 | 2015 | Spring |
| 3,000 - 4,000 | 2014 | Spring |
| 2,743 | 2013 | Fall |
| 2,565 - 3,000 | 2013 | Spring |
| 4,500 | 2010 | Spring |
| 2,715 | 2007 | Spring |
| 2,857 - 12,327 | 2006 | Winter |
| 3,750 - 4,600 | 2006 | Spring |
| 4,435 | 2005 | Spring |
| 2,391 - 3,654 | 2004 | Spring |
| 4,000 | 2002 | Spring |
| 4,375 | 2001 | Spring |
| 3,600 | 2000 | Spring |
| 4,000 | 1985 | Spring |
| ? | ? | Spring |
| Baynes Sound (BC057) | ||
|---|---|---|
| Number | Year | Season |
| 6,025 | 2017 | Spring |
| 1,363 | 2006 | Spring |
| 9,000 | 2001 | Spring |
| 11,844 | 2001 | Other |
| 1,256 | 1981 | Other |
| K'ómoks (BC272) | ||
|---|---|---|
| Number | Year | Season |
| 2,716 | 2021 | Spring |
| 5,000 - 6,025 | 2017 | Spring |
| 2,500 | 2016 | Spring |
| 2,500 - 4,000 | 2013 | Spring |
| 4,255 | 2008 | Spring |
| 2,800 - 4,168 | 2007 | Spring |
| 2,915 | 2006 | Spring |
| 3,341 | 2004 | Spring |
| 2,500 | 2003 | Spring |
| 2,990 - 9,000 | 2001 | Spring |
| Boundary Bay - Roberts Bank - Sturgeon Bank (Fraser River Estuary) (BC017) | ||
|---|---|---|
| Number | Year | Season |
| 677 | 2009 | Fall |
| 1,663 | 2008 | Winter |
| 1,217 | 2007 | Fall |
| 1,459 | 2006 | Winter |
| 3,770 | 2005 | Winter |
| 1,748 - 3,770 | 2004 | Winter |
| 629 | 2003 | Fall |
| 898 | 2002 | Winter |
| 4,532 | 2001 | Spring |
| 3,626 | 2001 | Winter |
| 5,910 | 2000 | Spring |
| Active Pass (BC015) | ||
|---|---|---|
| Number | Year | Season |
| 4,500 | 2019 | Winter |
| 5,000 | 2017 | Spring |
| 3,000 | 2014 | Winter |
| 2,300 | 2011 | Spring |
| Lambert Channel/Hornby Island Waters (BC061) | ||
|---|---|---|
| Number | Year | Season |
| 5,000 | 2017 | Spring |
| 2,800 | 2007 | Spring |
| 2,990 | 2001 | Spring |
| 4,687 | 2001 | Winter |
| Shallow Bay, Big Slough and Swan Lake (YK014) | ||
|---|---|---|
| Number | Year | Season |
| 4,500 | 2017 | Spring |
| 1,050 | 1995 | Spring |
| Comox Valley (BC014) | ||
|---|---|---|
| Number | Year | Season |
| 2,500 | 2016 | Spring |
| 2,500 - 4,000 | 2013 | Spring |
| 2,500 | 2003 | Spring |
| White Islets and Wilson Creek (BC025) | ||
|---|---|---|
| Number | Year | Season |
| 3,000 | 2018 | Fall |
| 2,400 - 3,700 | 2014 | Spring |