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EUROPEAN STUDBOOK CROWNED PIGEONS<br />
3.1 Summary of the management data for Goura scheepmakeri 2000-<br />
<strong>2008</strong><br />
Age distribution<br />
The age of 98 individuals (57 males and 41 females) in the current population was known on 1<br />
<strong>December</strong> <strong>2008</strong>. There were 2 male specimens and 2 female specimens of unknown age.<br />
Current Population size<br />
The current population as of 1 <strong>December</strong> <strong>2008</strong> of the Goura scheepmakeri species which<br />
participate in the ESB programme consists of 41.27.13 (total: 81).<br />
Number of births and deaths<br />
Births Deaths<br />
2000 16 4<br />
2001 10 6<br />
2002 4 6<br />
2003 9 5<br />
2004 8 7<br />
2005 8 7<br />
2006 10 6<br />
2007 9 3<br />
<strong>2008</strong> 6 0<br />
Age of individuals at death during the period 2000-<strong>2008</strong><br />
0-30d 30d-1y 1-5y 5-10y 10-15y 15-20y 20-25y 25y + Total<br />
12 7 8 8 0 3 0 0 38<br />
32% 18% 21% 21% 0% 8% 0% 0% 100%<br />
From 6 pigeons the age is estimated based on date of arrival, thus the age at death could be higher<br />
in reality. The 0-30 day group comprised 32% of all deaths. Only 8% of the Goura scheepmakeri<br />
had reach the age of 15 years.<br />
Transfers<br />
Transfers<br />
2000 11<br />
2001 13<br />
2002 3<br />
2003 5<br />
2004 16<br />
2005 8<br />
2006 2<br />
2007 8<br />
<strong>2008</strong> 3<br />
Conclusion<br />
With the exception of 2002, the Goura scheepmakeri species improved considerably during the<br />
period 2000-<strong>2008</strong>.<br />
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