| Photos | Date | Species Seen |
| Oct 6, 1990 | 102 | |
| Oct 3, 1996 | 58 | |
| Oct 10, 1998 | 62 | |
| 1999 | Oct 2, 1999 | 62 |
| Oct 7, 2001 | 64 | |
| Sept 29, 2002 | 95 | |
|
Oct 12, 2003 | 76 |
|
Oct 10, 2004 | 63 |
|
Oct 2, 2005 | 65 |
|
Oct 6, 2007 | 64 |
|
Oct 4, 2008 | 75 |