Table 2. Demographic information about 10 avian hosts infested with Ixodes scapularis ticks in southwestern suburban Chicago, Illinois, USA, 2005–2010*.
| Bird | Date of capture | Age | Site, category | I. scapularis stage (quantity) | Presumed I. scapularis acquisition |
|---|---|---|---|---|---|
| American robin | 2007 Jul 18 | AHY | 1, residential | L (9); N (1) | Local |
| American robin | 2009 Aug 18 | HY | PL, green space | L (2) | Local |
| American robin | 2010 Jun 22 | AHY | PHN, green space | N (2) | Local |
| American robin | 2010 Jul 13 | AHY | PL, green space | L (1) | Local |
| American robin | 2010 Jul 26 | HY | PL, green space | L (8) | Local |
| Blue jay | 2009 Jun 15 | AHY | PHN, green space | N (1) | Local |
| Blue jay | 2009 Jun 15 | AHY | PHN, green space | N (1) | Local |
| Gray-cheeked thrush | 2010 Sep 16 | HY | PHN, green space | N (1) | Migratory (from north) |
| Northern cardinal | 2007 Aug 16 | HY | 13, residential | L (1) | Local |
| Swainson’s thrush | 2006 May 23 | AHY | WW, green space | L (1) | Migratory (from south) |
*AHY, after hatch year; L, larva; N, nymph. HY, hatch year; PL, Pleasure Lake; PHN, Palos Hills Natural; WW, Wolfe Wildlife Refuge.