| 1996 | 1997 | 1998 | 1999 | 2000 | 2001 | 2002 | 2003 | 2004 | 2005 | 2006 | 2007 | 2008 | |
| Carolina Chickadee | X | X | X | ||||||||||
| Black-capped Chickadee | X | X | X | X | X | X | X | ||||||
| Mountain Chickadee | X | X | X | X | X | X | X | X | X | ||||
| Chestnut-backed Chickadee | X | X | X | X | X | X | X | X | X | X | X | X | X |
| Boreal Chickadee | X | ||||||||||||
| Oak Titmouse | X | X | X | X | X | X | X | X | X | X | |||
| Tufted Titmouse | X | X | X | ||||||||||
| Black-crested Titmouse | X | X | X | ||||||||||