Climate change is a concern for animal reproductive behavior for several reasons, but one of the most significant is that climate change might reduce or destroy reproductive habitats, eliminating breeding grounds.
This reduction in suitable habitats can lead to decreased reproductive success for many species, as they may no longer have access to the environments necessary for mating, nesting, or raising young. Additionally, changes in temperature and seasonal patterns can affect the timing of breeding, leading to mismatches between the availability of resources and the needs of offspring.
Other responses also highlight valid concerns, such as changes in hunting or foraging patterns, alterations in courtship behaviors, and potential genetic impacts, but the loss of breeding grounds is a critical and immediate threat to reproductive success in many species.