Table 6.
The concentration of lead in the eggs of the Ardeidae
| Species | Concentration (μg/g dw) | SD | Country | References |
|---|---|---|---|---|
| Asia | ||||
| Great egret (Egretta alba) | 82.1 | 6.9 | China (Wuxi) | Fu et al. 2014 |
| Little egret (Egretta garzetta) | 0.06 | China (Pearl River Delta) | Zhang et al. 2006 | |
| Little egret (Egretta garzetta) | 0.007 | 0.007 | China (Hong Kong) | Lam et al. 2005 |
| Cattle egret (Bubulcus ibis) | 47 | 13 | Pakistan (Lahore) | Abdullah et al. 2015 |
| Western reef heron (Egretta gularis) | 0.191 | 0.094 | Iran (Northwestern Persian Gulf) | Khademi et al. 2015 |
| Grey heron (Ardea cinerea) | 13.6 | 3.2 | Turkey (Büyük Menderes River) | Durmaz et al. 2017 |
| USA | ||||
| Black-crowned night heron (Nycticorax nycticorax) | 0.039 | 0.011 | USA (MN, Agassiz National Wildlife Refuge) | Burger and Gochfeld 1996a |
| Black-crowned night heron (Nycticorax nycticorax) | 0.054 | 0.034 | USA (New York Harbor) | Burger and Elbin 2015b |