Scotch Bonnet Island and Mohawk Island National Wildlife Areas Management Plan: appendix 2
| Date | Herring Gull | Ring-billed Gull | Common Tern | Caspian Tern | Double-crested Cormorant | Great Black-backed Gull | Source |
|---|---|---|---|---|---|---|---|
| 1933 | a | - | 500 | - | - | - | Beardslee and Mitchell 1965 |
| 4 July 1933 | - | - | 500 | - | - | - | Beardslee and Mitchell 1965 |
| 1938-1941 | - | - | (1000)b | - | - | - | Palmer 1964 |
| 1943 | 1 | 26 | - | - | - | - | Beardslee and Mitchell 1965; Haymes 1977 |
| 1944 | 2 | - | - | - | - | - | Beardslee and Mitchell 1965 |
| 1945 | 4 | 50 | - | - | - | - | Beardslee and Mitchell 1965 |
| 1946 | 13 | 45-50 | 1400-1800 | - | - | - | Beardslee and Mitchell 1965 |
| 1947 | 6 | 125 | 1100 | - | - | - | Beardslee and Mitchell 1965 |
| 1948 | - | - | 1100 | - | - | - | Beardslee and Mitchell 1965 |
| 1949 | 8 | 175 | 800 | - | - | - | Beardslee and Mitchell 1965 |
| 1950 | 9 | 300 | - | - | - | - | Beardslee and Mitchell 1965 |
| 1950 | - | - | (1600) | - | - | - | Palmer 1964 |
| 1952 | (20) | (1000) | (500) | - | - | - | Palmer 1964 |
| 1954 | 35 | (1200) | - | - | - | - | Beardslee and Mitchell 1965 |
| 1954 | - | - | (360) | - | - | - | Palmer 1964 |
| 1960 | 35 | 2000 | 130 | - | - | - | Beardslee and Mitchell 1965; Haymes 1977 |
| 1963 | - | (6300) | - | - | - | - | Ludwig 1974 |
| 1964 | - | 6300 | - | - | - | - | Ludwig 1974 |
| 1966 | (200) | (2500) | (300) | - | - | - | Ontario Nest Record Scheme |
| 1972 | 80 | (1000) | - | - | - | - | S.M. Teeple, pers. comm. |
| 20 May 1972 | 160 | - | - | - | - | - | A.R. Clark, pers. comm. |
| 4 June 1974 | 184 | - | - | - | - | - | A.R. Clark, pers. comm. |
| 27 April 1975 | 215 | 301 | 0 | - | - | - | A.R. Clark (pers. comm.) |
| 18 May 1975 | 245 | - | - | - | - | - | A.R. Clark, pers. comm. |
| 1976 | (170) | - | 0 | - | - | - | G.T. Haymes, pers. comm.; Blokpoel and McKeating 1978 |
| 28 May 1976 | 185 | - | - | - | - | - | A.R. Clark, pers. comm. |
| 1976-1977 | 35 | 2000 | 0 | - | - | - | G.T. Haymes, pers. comm.; Blokpoel and McKeating 1978 |
| 1976-1977 | 227 pairs | 520 pairs | - | - | - | - | Blokpoel and Tessier 1996 |
| 1 May 1977 | 227 | - | - | - | - | - | Blokpoel and McKeating 1978 |
| 12 May 1977 | 202 | 520 | 0 | - | - | - | Blokpoel and McKeating 1978 |
| 1980 | 259 | - | - | - | - | - | G. Tessier and P. Fetterolf, unpubl. data |
| 21 May 1980 | 259 | 729 | 0 | - | - | - | P. Madore, pers. comm. |
| 1983 | 200-259 | 1500-2400 | - | - | 16 | - | Clark et al. 1983 |
| 1987 | - | - | 1311 | - | - | - | R. Morris, pers. comm. |
| 1991 | - | - | - | - | - | 1 | Peck and James 1994 |
| 1993 | - | - | - | - | - | 1 | D. Moore and L. Benner; Moore et al. 2007, 2008 |
| 1994 | - | - | - | - | 132 | - | C. Pekarik, unpubl. data |
| 1996 | - | - | - | 40 | 220 | - | D.V. Weseloh, in press; C. Pekarik, unpubl. data |
| 1996 | - | - | - | - | - | 1 | D.V. Weseloh and D. Ryckman |
| 2002 | - | - | 203 | - | - | - | D.V. Weseloh, unpubl. data |
| 2003 | - | - | - | 226 | - | - | D.V. Weseloh, in press |
| 2004 | - | - | 86 | - | - | - | C. Pekarik, unpubl. data |
| 2006 | - | - | - | 319 | - | - | D.V. Weseloh, in press |
| 2007 | 253 | 2201 | - | 300 | 1563 | - | Canadian Wildlife Service(CWS), unpubl. data; Weseloh, in press; D. Moore, unpubl. data |
| 2008 | - | - | - | - | 1586 | - | D. Moore, unpubl. data |
| 2009 | - | - | - | 351 | (800) | - | D. Moore, unpubl. data |
aBlank fields indicate not known and/or not reported.
bRecords in parentheses indicate an estimate.
Table adapted from Blokpoel and McKeating 1978; Planck and Robinson 1985.
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