When is it most likely for adult raptors to desert their nests?

Adult raptors are most likely to desert their nests just prior to egg laying due to various stressors or disturbances in the nesting environment. The period leading up to egg laying is critical for raptors, as they are assessing the safety and suitability of the nesting site. High levels of disturbance, such as human activity, competition from other birds, or threats from predators, can lead to a decision to abandon the nest.

At this stage, raptors are particularly vulnerable and may feel the need to reassess their nesting strategy if conditions are not optimal. Once they have begun laying eggs, raptors generally exhibit stronger parental commitment and are less likely to abandon the nest because they are invested in the reproductive process. Thus, the likelihood of nest abandonment significantly decreases after the initial stages of nesting have passed.