Migration Size
- 1993 a massive migration following route 1. A smaller migration along route 2 and 3 (December – January)
- 1994 a big migration following route 1. An average migration along route 2 and a small one on route 3 (December – January)
- 1995 an average migration following route 1,2 and 3 (January – February)
- 1996 a moderate migration following route 1. An average migration along route 2 and a small one on route 3 (December – January)
- 1997 a massive migration following route 1. A smaller migration along route 2 and 3, more or less the same as 1993 (November – December)
- 1998 an average migration following route 1,2 and 3, more or less the same as 1995 (January – February)
- 1999 an average migration following route 1,2 and 3, more or less the same as 1995 (January – February)
- 2000 an average migration following route 1,2 and 3, ore or less the same as 1995 (January – February)
- 2001 an average migration following route 1. A small migration on route 2. No migration along route 3 (February – March)
- 2002 a massive migration following route 1. A massive migration along route 2 and a massive one from route 3 – the biggest we have seen thus far. (late January – early March)
- 2003 a massive migration following route 1, a smaller migration along route 2 and 3, more or less the same as 1993 (January – February)
- 2004 an average migration following route 1,2 and no migration along route 3
- 2005 an average migration following route 1, a small migration on route 2. No migration along route 3 – more or less the same as 1997 (January – February)
- 2006 no reports of any migration. A few seen at Oribi Gorge, KZN – but not migrating. A larger amount see in Kroonstad, Free State, but not migrating. Some at Harties in Gauteng, but not migrating. (January – February)
- 2007 an average migration following route 1,2 and 3, more or less the same as 1995 (January – February)
- 2008 an average migration following route 1,2 and 3, more or less the same as 1995 (January – February)
- 2009 an average migration following route 1,2 and 3, more or less the same as 1995 (January – February)
- 2010 an average migration following route 1,2 and 3, more or less the same as 1995 (January – February)
- 2011 a big migration following route 1. An average migration along route 2 and a small one on route 3 (February – March)
- 2012 a big migration following route 1. An average migration along route 2 and a small one on route 3, more or less the same as 1994 (February – March)
- 2013 an average migration following route 1,2 and 3 – more or less the same as 1995 (January – February)
- 2014 a massive migration following route 1. A massive migration along route 2 and a massive one from route 3, not as big as 2002. (February – March)
- 2015 an average migration following route 1,2 and 3, more or less the same as 1995 (January – February)
- 2016 an average migration following route 1,2 and 3, more or less the same as 1995 (January – February)
- 2017 a big migration following route 1. An average migration along route 2 and a small one on route 3 (February – March)
What to do when you first witness the migration taking place? Feel free to contact us whenever you do have the opportunity of witnessing this remarkable event. The information you have supplied will help us greatly to see whether the numbers of our migratory butterflies are dwindling or increasing. It also educates us as to which other flight paths they create for the future. Please contact us on info@cbisa.co.za. Thank you