Table 2. Percentage and number (N) of bald eagle samples in four exposure categories captured between November – January in Jackson Hole, Wyoming, USA from 2005–07, 2009–10.
Background | Sub-ClinicalExposure | ClinicalExposure | AcuteExposure | |
<10 ug/dL | 10–59 ug/dL | 60–100 ug/dL | >100 ug/dL | |
Nestlings | 100 (8) | 0 | 0 | 0 |
All non-nestlings | 7 (5) | 60 (44) | 14 (10) | 19 (14) |
Non-Hunting Season | 22 (4) | 78 (14) | 0 | 0 |
Hunting Season | 2 (1) | 55 (30) | 18 (10) | 25 (14) |
Blood lead levels <10 µg/dL = background, 10–59 µg/dL = exposed, 60–99 µg/dL = clinically affected, and >100 = acute lead exposure (guidelines based on Redig 1984 and Kelly et al. 2011).