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Grey Seal Pup Production – England
Annual grey seal pup production estimates at major breeding colonies on the English east coast, 1956-2021. | ||||||
Ground count data collected by National Trust (Farnes and Blakeney), Lincolnshire Wildlife Trust (Donna Nook), Natural England (Horsey to 2011) and Friends of Horsey Seals (Horsey from 2012). Due to COVID pandemic restrictions, no estimates were obtained at three sites in 2020. | ||||||
Northeast England | Southeast England |
East England | ||||
Year | Farne Islands | Donna Nook | Blakeney Point | Horsey | SE Total | Total |
1956 | 751 | 751 | ||||
1957 | 854 | 854 | ||||
1958 | 869 | 869 | ||||
1959 | 898 | 898 | ||||
1960 | 1,020 | 1,020 | ||||
1961 | 1,141 | 1,141 | ||||
1962 | 1,118 | 1,118 | ||||
1963 | 1,259 | 1,259 | ||||
1964 | 1,439 | 1,439 | ||||
1965 | 1,404 | 1,404 | ||||
1966 | 1,728 | 1,728 | ||||
1967 | 1,779 | 1,779 | ||||
1968 | 1,800 | 1,800 | ||||
1969 | 1,919 | 1,919 | ||||
1970 | 1,987 | 15 | 2,002 | |||
1971 | 2,041 | 2,041 | ||||
1972 | 1,617 | 1,617 | ||||
1973 | 1,678 | 1,678 | ||||
1974 | 1,668 | 1,668 | ||||
1975 | 1,617 | 1,617 | ||||
1976 | 1,426 | 1,426 | ||||
1977 | 1,243 | 1,243 | ||||
1978 | 1,162 | 1,162 | ||||
1979 | 1,320 | 1,320 | ||||
1980 | 1,118 | 1,118 | ||||
1981 | 992 | 34 | 34 | 1,026 | ||
1982 | 991 | 43 | 43 | 1,034 | ||
1983 | 902 | |||||
1984 | 778 | 30 | 30 | 808 | ||
1985 | 848 | 53 | 53 | 901 | ||
1986 | 908 | 35 | 35 | 943 | ||
1987 | 930 | 72 | 72 | 1,002 | ||
1988 | 812 | 54 | 1 | 55 | 867 | |
1989 | 892 | 94 | 94 | 986 | ||
1990 | 1,004 | 152 | ||||
1991 | 927 | 223 | 4 | 227 | 1,154 | |
1992 | 985 | 200 | 200 | 1,185 | ||
1993 | 1,051 | 205 | 205 | 1,256 | ||
1994 | 1,025 | 302 | 302 | 1,327 | ||
1995 | 1,070 | 334 | 334 | 1,404 | ||
1996 | 1,061 | 310 | 310 | 1,371 | ||
1997 | 1,284 | 382 | 382 | 1,666 | ||
1998 | 1,309 | 439 | 24 | 463 | 1,772 | |
1999 | 843 | 503 | 503 | 1,346 | ||
2000 | 1,171 | 618 | 618 | 1,789 | ||
2001 | 1,247 | 634 | 25 | 659 | 1,906 | |
2002 | 1,200 | 709 | 50 | 52 | 811 | 2,011 |
2003 | 1,266 | 792 | 80 | 68 | 940 | 2,206 |
2004 | 1,133 | 998 | 100 | 78 | 1,176 | 2,309 |
2005 | 1,138 | 995 | 175 | 106 | 1,276 | 2,414 |
2006 | 1,254 | 1,070 | 213 | 133 | 1,416 | 2,670 |
2007 | 1,164 | 1,194 | 297 | 168 | 1,659 | 2,823 |
2008 | 1,318 | 1,318 | 433 | 202 | 1,953 | 3,271 |
2009 | 1,346 | 1,371 | 603 | 294 | 2,268 | 3,614 |
2010 | 1,498 | 1,417 | 789 | 402 | 2,608 | 4,106 |
2011 | 1,555 | 1,438 | 973 | 500 | 2,911 | 4,466 |
2012 | 1,603 | 1,525 | 1,248 | 612 | 3,385 | 4,988 |
2013 | 1,575 | 1,676 | 1,614 | 728 | 4,018 | 5,593 |
2014 | 1,740 | 1,799 | 2,453 | 803 | 5,055 | 6,795 |
2015 | 1,876 | 1,892 | 2,372 | 1,236 | 5,500 | 7,376 |
2016 | 2,295 | 1,989 | 2,403 | 1,526 | 5,918 | 8,213 |
2017 | 2,131 | 2,033 | 2,700 | 1,825 | 6,558 | 8,689 |
2018 | 2,737 | 2,066 | 3,012 | 2,069 | 7,147 | 9,884 |
2019 | 2,823 | 2,187 | 3,399 | 2,316 | 7,902 | 10,725 |
2020 | 2,214 | |||||
2021 | in progress | 2,122 | in progress | in progress | in progress | in progress |
Table created by Sea Mammal Research Unit on 3 February 2023 |