Site summary for Half Moon Island

Below are all available counts for Half Moon Island. Explore the interactive chart or search the data table

Data table

Species Count Type Day Month Year Season Citation
CHPE 6000 adults 10 2 1987 1986
CHPE 2500 nests N/A N/A 1987 1987
CHPE 1747 nests N/A 1 1991 1990
CHPE 3342 nests N/A N/A 1996 1996
CHPE 3312 nests 26 11 1998 1998
CHPE 1630 nests 5 1 2008 2007
CHPE 1732 nests 14 12 2007 2007
CHPE 2263 chicks 17 1 2009 2008
CHPE 2023 nests 18 12 2008 2008
CHPE 2574 chicks 29 1 2011 2010
CHPE 1046 chicks 19 2 2011 2010
CHPE 2036 nests 21 12 2010 2010
CHPE 1849 nests 11 11 2011 2011
CHPE 2161 nests 2 12 2011 2011
CHPE 1738 nests 25 12 2011 2011
CHPE 1836 nests 3 1 2013 2012
CHPE 1928 nests 15 12 2012 2012
CHPE 2094 nests 25 12 2012 2012
CHPE 1818 nests 15 12 2013 2013
CHPE 1874 nests 10 1 2015 2014
CHPE 1696 chicks 24 1 2015 2014
CHPE 1937 nests 15 12 2014 2014
CHPE 1723 nests 13 1 2016 2015
CHPE 1968 nests 18 1 2016 2015
CHPE 1915 nests 19 11 2015 2015
CHPE 2129 nests 7 12 2015 2015
CHPE 2097 nests 17 12 2015 2015
CHPE 1972 nests 1 1 2017 2016
CHPE 1856 nests 9 1 2017 2016
CHPE 2749 chicks 21 1 2017 2016
CHPE 1903 nests 3 12 2016 2016
CHPE 1216 nests 13 1 2019 2018
CHPE 1170 nests 12 12 2019 2019
CHPE 1532 nests 21 12 2019 2019
CHPE 1298 nests 21 12 2019 2019
CHPE 1119 chicks 12 2 2022 2021
CHPE 1083 nests 4 1 2023 2022
CHPE 922 nests 22 11 2022 2022
CHPE 1240 nests 4 1 2024 2023
CHPE 1067 nests 7 1 2024 2023
CHPE 1393 chicks 7 2 2024 2023
CHPE 1263 nests 13 12 2023 2023
CHPE 1201 nests 22 12 2023 2023
MCPE 1 adults 11 11 2011 2011
MCPE 2 adults 9 1 2017 2016
MCPE 2 adults 13 1 2019 2018
MCPE 1 adults 21 12 2019 2019
MCPE 1 adults 4 1 2024 2023