It has long been recognized that biota can be good indicators of environmental health and
pollution. From the ancient Greek maxim “a bad crow lays a bad egg” to the coal miners' …

Concentrations of inorganic elements were determined in eggs of passerine birds including
the endangered southwestern willow flycatcher (Empidonax traillii extimus) from four regions …

There have been several case studies of the impact of chemical contaminants on birds at the
level of individuals or populations. While many of the chemicals involved in these incidents …

The toxicity of 2, 3, 7, 8-tetrachlorodibenzo-p-dioxin (TCDD) and related compounds in birds
has been well-established in laboratory and field studies. Observed effects of TCDD and …

We experimentally examined the effects of dietary exposure to polychlorinated biphenyls
(PCBs) on adrenocortical function in American kestrels (Falco sparverius). Nine captive …

This study found abnormalities in multiple reproductive stages in captive American kestrels
(Falco sparverius) when exposed to polychlorinated biphenyls (PCBs) through dietary and …

The relationship between regional reproduction rates of bald eagles (Haliaeetus
leucocephalus) and concentrations of p, p′‐dichlorodiphenyldichloroethylene (p, p …

Concentrations of polychlorinated dibenzo-p-dioxins (PCDDs), dibenzofurans (PCDFs),
polychlorinated biphenyls (including coplanar PCBs), and 1, 1-dichloro-2, 2-bis (p …

Concentrations of polychlorinated biphenyls (PCBs), including non-, mono-, and di-ortho
congeners, were determined in migratory and resident birds collected from India and Lake …

Common terns (Sterna hirundo) and roseate terns (Sterna dougallii) breed on Bird Island,
Massachusetts, USA, near a Superfund site highly contaminated with polychlorinated …