Lead Exposure Linked to Aggressive Songbird Behavior
“lower level lead exposure made songbirds mor agressive”
Summary
Sub‑lethal, lower‑level lead exposure in urban songbirds is linked to increased aggression, with birds from higher‑lead areas showing more aggressive behavior during territorial interactions. Multiple recent studies confirm this correlation.
Sources 57 searched
- Sub-lethal exposure to lead is associated with heightened aggression in an urban songbird - PubMed
However, birds from high lead areas ... may be common among wildlife living in urban areas, and that this exposure is associated with increased aggression....
- Effects of heavy metal exposure on aggressive behavior in a small territorial songbird - PubMed
Several studies have shown that elevated levels of certain heavy metals may affect the behavior of birds and mammals. However, most of these studies were carried out under controlled laboratory conditions; results from free-living populations are scarce. In this study we examined the possible ...
- Are songbirds at risk from lead at small arms ranges? An application of the spatially explicit exposure model - PubMed
To address the potential for adverse effects from lead exposure in songbirds, we compared the outputs of traditional deterministic exposure models with a spatial model and compared the results of both with blood-lead levels from songbird species at two small arms range complexes.
- Sub-lethal exposure to lead is associated with heightened aggression in an urban songbird - ScienceDirect
We report correlational evidence ... local concentrations of lead in the soil, and that higher exposure to lead is associated with increased aggression towards conspecifics....
- Variation in personality traits across a metal pollution gradient in a free-living songbird - ScienceDirect
We predicted that birds living ... and consistent vocal repertoires, and (d) behave more aggressively during simulated conspecific territorial intrusions compared to birds living in neighborhoods with lower soil lead ...
- Sub-lethal exposure to lead is associated with heightened aggression in an urban songbird - ScienceDirect
We report correlational evidence ... local concentrations of lead in the soil, and that higher exposure to lead is associated with increased aggression towards conspecifics....
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