Common Grackle
Scientific Name: Quiscalus quiscula
Thresholds:
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.
| Long Point Peninsula and Marshes (ON001) | ||
|---|---|---|
| Number | Year | Season |
| 2,000,000 | 2020 | Fall |
| 2,000,000 - 3,000,000 | 2019 | Fall |
| 2,500,000 | 2018 | Fall |
| 900,001 - 904,039 | 2015 | Fall |
| 172,000 - 600,000 | 2013 | Fall |
| 20,000 - 30,021 | 2013 | Spring |
| 334,060 - 973,650 | 2012 | Fall |
| 53,001 - 200,003 | 2011 | Fall |
| 450,000 - 700,161 | 2010 | Fall |
| 350,000 - 500,201 | 2009 | Fall |
| 25,037 - 44,144 | 2008 | Fall |
| 150,000 - 500,504 | 2007 | Fall |
| 250,005 - 425,003 | 2006 | Fall |
| 220,000 - 900,000 | 2005 | Fall |
| 99,000 - 420,041 | 2004 | Fall |
| 100,440 - 300,000 | 2003 | Fall |
| 100,000 - 150,000 | 2002 | Fall |
| 200,000 - 400,000 | 2001 | Fall |
| 20,000 - 81,700 | 2000 | Fall |
| 20,000 - 28,000 | 2000 | Spring |
| 81,000 - 210,000 | 1999 | Fall |
| 17,000 | 1998 | Fall |
| 21,000 - 100,000 | 1997 | Fall |
| 31,000 | 1996 | Fall |
| 16,000 - 220,000 | 1995 | Fall |
| 22,000 - 50,000 | 1993 | Fall |
| 40,000 - 40,200 | 1991 | Fall |
| 25,000 | 1990 | Fall |