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.

Which group of wildlife is specifically documented as suffering secondary poisoning from chemical control measures against quelea?
speciesbirdendangeredwildlifequelea