Red-throated Loon
Scientific Name: Gavia stellata
Thresholds:
- Boundary Bay - Roberts Bank - Sturgeon Bank (Fraser River Estuary) (BC017)7,000 (max.)
- Rimouski (QC041)4,187 (max.)
- Tadoussac (QC085)4,157 (max.)
- Point Lepreau/Maces Bay (NB020)3,222 (max.)
- Lac Deschênes-Ottawa River (ON112)3,000 (max.)
- Île aux Basques et Les Razades (QC046)2,000 (max.)
- Shepody Bay West (NB009)1,280 (max.)
- Niagara River Corridor (ON002)1,205 (max.)
- Baie des Escoumins et Grandes-Bergeronnes (QC084)700 (max.)
- Pointe Saint-Pierre et île Plate (QC033)567 (max.)
- Netitishi Point (ON137)555 (max.)
- Pei lay sheesh kow (ON157)555 (max.)
- Waters of Île Patte de Lièvre (QC151)500 (max.)
- West End of Lake Ontario (ON022)490 (max.)
- Point Pelee (ON006)486 (max.)
- Churchill & Vicinity (MB003)440 (max.)
- Ekwan to Lakitusaki Shores (ON129)400 (max.)
- Péninsule de Forillon (QC039)340 (max.)
- Marais de Gros-Cacouna (QC043)328 (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.
| Boundary Bay - Roberts Bank - Sturgeon Bank (Fraser River Estuary) (BC017) | ||
|---|---|---|
| Number | Year | Season |
| 2,000 | 2019 | Winter |
| 349 | 2012 | Winter |
| 405 - 487 | 2001 | Spring |
| 7,000 | 2000 | Spring |
| Rimouski (QC041) | ||
|---|---|---|
| Number | Year | Season |
| 1,181 - 2,100 | 2021 | Spring |
| 3,778 - 4,187 | 2020 | Spring |
| 855 - 1,953 | 2019 | Spring |
| 1,429 - 2,998 | 2018 | Spring |
| 310 - 1,181 | 2017 | Spring |
| 435 - 2,958 | 2016 | Spring |
| 633 | 2015 | Spring |
| 408 - 1,507 | 2014 | Spring |
| 363 | 2004 | Spring |
| Tadoussac (QC085) | ||
|---|---|---|
| Number | Year | Season |
| 4,157 | 2020 | Spring |
| 338 | 2019 | Spring |
| Point Lepreau/Maces Bay (NB020) | ||
|---|---|---|
| Number | Year | Season |
| 2,025 | 2019 | Spring |
| 315 - 624 | 2018 | Spring |
| 2,893 - 3,222 | 1996 | Spring |
| Lac Deschênes-Ottawa River (ON112) | ||
|---|---|---|
| Number | Year | Season |
| 200 | 1995 | Fall |
| 3,000 | 1985 | Fall |
| Île aux Basques et Les Razades (QC046) | ||
|---|---|---|
| Number | Year | Season |
| 500 | 2011 | Spring |
| 500 | 1997 | Spring |
| 600 - 700 | 1996 | Spring |
| 1,000 | 1995 | Spring |
| 400 - 500 | 1994 | Spring |
| 400 - 500 | 1993 | Spring |
| 500 | 1992 | Spring |
| 500 | 1986 | Spring |
| 500 | 1985 | Spring |
| 2,000 | 1979 | Spring |
| 1,000 | 1977 | Spring |
| Shepody Bay West (NB009) | ||
|---|---|---|
| Number | Year | Season |
| 485 | 2013 | Spring |
| 419 - 426 | 2012 | Spring |
| 784 - 1,280 | 2011 | Spring |
| Niagara River Corridor (ON002) | ||
|---|---|---|
| Number | Year | Season |
| 350 - 1,205 | 2011 | Fall |
| Baie des Escoumins et Grandes-Bergeronnes (QC084) | ||
|---|---|---|
| Number | Year | Season |
| 646 | 2006 | Fall |
| 700 | 1993 | Fall |
| Pointe Saint-Pierre et île Plate (QC033) | ||
|---|---|---|
| Number | Year | Season |
| 350 | 2006 | Fall |
| 567 | 2003 | Spring |
| Netitishi Point (ON137) | ||
|---|---|---|
| Number | Year | Season |
| 555 | 2010 | Fall |
| Pei lay sheesh kow (ON157) | ||
|---|---|---|
| Number | Year | Season |
| 555 | 2010 | Fall |
| Waters of Île Patte de Lièvre (QC151) | ||
|---|---|---|
| Number | Year | Season |
| 500 | 2011 | Spring |
| West End of Lake Ontario (ON022) | ||
|---|---|---|
| Number | Year | Season |
| 327 - 490 | 1995 | Fall |
| Point Pelee (ON006) | ||
|---|---|---|
| Number | Year | Season |
| 486 | 2018 | Winter |
| Churchill & Vicinity (MB003) | ||
|---|---|---|
| Number | Year | Season |
| 440 | 2010 | Summer |
| Ekwan to Lakitusaki Shores (ON129) | ||
|---|---|---|
| Number | Year | Season |
| 400 | 1993 | Spring |
| Péninsule de Forillon (QC039) | ||
|---|---|---|
| Number | Year | Season |
| 340 | 2016 | Spring |
| Marais de Gros-Cacouna (QC043) | ||
|---|---|---|
| Number | Year | Season |
| 328 | 2012 | Spring |