Which group of wildlife is specifically documented as suffering secondary poisoning from chemical control measures against quelea?
Answer
Birds of prey (raptors)
Chemical control measures have documented severe side effects on non-target wildlife, specifically birds of prey, which can ingest poison by eating sick or dying quelea or drinking contaminated water.

Related Questions
What common nickname is given to the Red-billed Quelea due to its massive numbers?What distinction does the Red-billed Quelea hold regarding wild bird species globally?Where does the primary conflict between Red-billed Quelea and human interests mainly occur?What dietary shift causes the Red-billed Quelea to become an agricultural pest?What is the IUCN Red List status for the related Red-headed Quelea?Which group of wildlife is specifically documented as suffering secondary poisoning from chemical control measures against quelea?Why are large, centralized eradication campaigns against the Red-billed Quelea often impractical?What is the immediate goal when applying chemical controls to reduce quelea populations in an agricultural zone?What is the core conservation paradox presented by the Red-billed Quelea?What specific event prompted the Food and Agriculture Organization (FAO) to note emergency responses were necessary in Tanzania in 2009?What concept describes the necessary adjustment for effective control that accepts the continued presence of quelea while mitigating immediate damage?