Red-necked Grebe
Scientific Name: Podiceps grisegena
Thresholds:
- Prince Edward County South Shore (ON003)10,000 (max.)
- Boundary Bay - Roberts Bank - Sturgeon Bank (Fraser River Estuary) (BC017)2,716 (max.)
- West End of Lake Ontario (ON022)2,378 (max.)
- Manitoulin Island North Shore (ON150)2,000 (max.)
- K'ómoks (BC272)822 (max.)
- Lakeland (AB006)814 (max.)
- Cabot Head (ON099)800 (max.)
- Miquelon Island (Northeast Coast) (NF034)800 (max.)
- Leslie Street Spit (ON038)700 (max.)
- Baynes Sound (BC057)601 (max.)
- Xaana Kaahlii GawGaay Skidegate Inlet (BC145)500 (max.)
- Oak Hammock Marsh WMA (MB010)500 (max.)
- Lawn Point (BC147)400 (max.)
- Sidney Channel (BC047)350 (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.
| Prince Edward County South Shore (ON003) | ||
|---|---|---|
| Number | Year | Season |
| 5,000 | 2015 | Fall |
| 500 - 10,000 | 2013 | Fall |
| 6,000 | 2011 | Fall |
| 1,000 | 2008 | Spring |
| 500 | 2007 | Spring |
| Boundary Bay - Roberts Bank - Sturgeon Bank (Fraser River Estuary) (BC017) | ||
|---|---|---|
| Number | Year | Season |
| 580 | 2015 | Fall |
| 636 | 2014 | Fall |
| 419 | 2013 | Fall |
| 392 | 2012 | Fall |
| 92 | 2011 | Fall |
| 175 | 2010 | Fall |
| 790 - 791 | 2009 | Fall |
| 362 | 2008 | Fall |
| 227 | 2007 | Fall |
| 151 | 2006 | Fall |
| 91 | 2005 | Fall |
| 242 | 2004 | Winter |
| 485 | 2003 | Winter |
| 462 - 810 | 2002 | Fall |
| 2,716 | 2002 | Spring |
| 710 | 2001 | Fall |
| 780 - 1,000 | 2000 | Fall |
| 703 | 1999 | Winter |
| 603 - 700 | 1999 | Fall |
| 2,576 | 1998 | Fall |
| 500 | 1997 | Fall |
| West End of Lake Ontario (ON022) | ||
|---|---|---|
| Number | Year | Season |
| 1,069 | 2020 | Spring |
| 400 - 2,434 | 2019 | Spring |
| 398 - 875 | 2018 | Spring |
| 2,378 | 2017 | Spring |
| 1,060 | 2016 | Spring |
| 400 | 2012 | Fall |
| 360 - 1,250 | 2012 | Spring |
| 400 | 2011 | Fall |
| 525 | 2010 | Spring |
| 450 - 904 | 2008 | Spring |
| 350 - 850 | 2005 | Spring |
| 1,500 - 2,000 | 2004 | Spring |
| 400 | 1998 | Fall |
| 420 - 1,294 | 1996 | Spring |
| Manitoulin Island North Shore (ON150) | ||
|---|---|---|
| Number | Year | Season |
| 2,000 | 1996 | Fall |
| 1,163 | 1995 | Summer |
| 320 | 1994 | Winter |
| 242 - 300 | 1994 | Fall |
| K'ómoks (BC272) | ||
|---|---|---|
| Number | Year | Season |
| 350 - 650 | 2021 | Fall |
| 340 - 466 | 2020 | Fall |
| 372 | 2019 | Fall |
| 466 - 500 | 2017 | Fall |
| 368 - 400 | 2016 | Fall |
| 358 - 550 | 2013 | Fall |
| 565 | 2012 | Fall |
| 601 - 822 | 2007 | Fall |
| 400 | 2005 | Spring |
| 397 | 2004 | Fall |
| 409 | 2003 | Spring |
| Lakeland (AB006) | ||
|---|---|---|
| Number | Year | Season |
| 814 | 1985 | Other |
| Cabot Head (ON099) | ||
|---|---|---|
| Number | Year | Season |
| 249 | 2001 | Spring |
| 124 - 401 | 2000 | Spring |
| 250 - 800 | 1995 | Spring |
| Miquelon Island (Northeast Coast) (NF034) | ||
|---|---|---|
| Number | Year | Season |
| 450 | 1999 | Winter |
| 800 | 1985 | Winter |
| Leslie Street Spit (ON038) | ||
|---|---|---|
| Number | Year | Season |
| 490 | 2018 | Spring |
| 430 - 700 | 2014 | Spring |
| Baynes Sound (BC057) | ||
|---|---|---|
| Number | Year | Season |
| 368 - 400 | 2016 | Fall |
| 358 - 550 | 2013 | Fall |
| 601 | 2007 | Fall |
| Xaana Kaahlii GawGaay Skidegate Inlet (BC145) | ||
|---|---|---|
| Number | Year | Season |
| 500 | 2016 | Spring |
| 385 | 2011 | Fall |
| 350 | 2010 | Fall |
| Oak Hammock Marsh WMA (MB010) | ||
|---|---|---|
| Number | Year | Season |
| 500 | 1999 | Spring |
| Lawn Point (BC147) | ||
|---|---|---|
| Number | Year | Season |
| 400 | 2015 | Winter |
| Sidney Channel (BC047) | ||
|---|---|---|
| Number | Year | Season |
| 350 | 1996 | Spring |