Mangrove Cuckoo is widely distributed in a variety of habitats and considered a species of Least Concern by IUCN (IUCN 2013). Population-monitoring data are lacking and trends have not been quantified, although IUCN reported population trend as stable (but see Lloyd and Doyle 2013 for information on population status in subtropical Florida).
Effects of human activity on populations
Little information available, although like most bird species Mangrove Cuckoo is vulnerable to various kinds of human-caused mortality (e.g., collisions with wind turbines and motor vehicles). Appears to require fairly large blocks of habitat during the breeding season, suggesting that this species might be especially vulnerable to habitat fragmentation.