Return
Philadelphia, PA
| Date | Number of Species |
| April 06, 2007 | 59 species reported |
| March 18, 2007 | 69 species reported |
| March 09, 2007 | 55 species reported |
| March 02, 2007 | 71 species reported |
| February 24, 2007 | 9 species reported |
| February 16, 2007 | 47 species reported |
| February 10, 2007 | 36 species reported |
| February 02, 2007 | 65 species reported |
| January 20, 2007 | 32 species reported |
| January 11, 2007 | 71 species reported |
| December 20, 2006 | 73 species reported |
| December 09, 2006 | 41 species reported |
| December 02, 2006 | 50 species reported |
| November 25, 2006 | 38 species reported |
| October 02, 2006 | 106 species reported |
| September 03, 2006 | 78 species reported |
| August 04, 2006 | 55 species reported |
| July 27, 2006 | 43 species reported |
| July 20, 2006 | 23 species reported |
| June 30, 2006 | 55 species reported |
| June 09, 2006 | 43 species reported |
| May 12, 2006 | 74 species reported |
| May 05, 2006 | 88 species reported |
| April 25, 2006 | 51 species reported |
| April 22, 2006 | 46 species reported |
| April 11, 2006 | 79 species reported |
| March 31, 2006 | 58 species reported |
| March 19, 2006 | 59 species reported |
| March 10, 2006 | 66 species reported |
| February 24, 2006 | 54 species reported |
| February 17, 2006 | 65 species reported |
| January 31, 2006 | 33 species reported |
| January 28, 2006 | 49 species reported |
| January 27, 2006 | 38 species reported |
| December 26, 2005 | 70 species reported |
| December 22, 2005 | 59 species reported |
| December 13, 2005 | 48 species reported |
| December 06, 2005 | 60 species reported |
| November 28, 2005 | 78 species reported |
| November 25, 2005 | 54 species reported |
| November 18, 2005 | 66 species reported |
| November 12, 2005 | 84 species reported |
| November 11, 2005 | 84 species reported |
| October 27, 2005 | 99 species reported |
| September 23, 2005 | 76 species reported |
| September 16, 2005 | 60 species reported |
| September 07, 2005 | 99 species reported |
| September 02, 2005 | 66 species reported |
| August 12, 2005 | 59 species reported |