What common reproductive behavior involves a female Eared Grebe laying eggs in the nests of other conspecifics?

Answer

Conspecific brood parasitism or 'dump nesting'

The breeding strategy often includes conspecific brood parasitism, commonly termed 'dump nesting,' where a female lays extra eggs into the nests belonging to other Eared Grebes, a behavior reported to be common.

What common reproductive behavior involves a female Eared Grebe laying eggs in the nests of other conspecifics?
birdanimalFeaturewaterfowlGrebe