A mesopredator refers to a medium-sized predator that falls between the top predators and the smallest prey animals in a specific ecosystem or food chain. Full definition
Wilcove wanted to test the effect of mesopredator release on songbird nest predation — what can be thought of as the empty nest hypothesis. (scientificamerican.com)
Interactions between a Top Order predator and exotic mesopredators in the Australian rangelands. (publish.csiro.au)
Feral cats, and any other mesopredators present, can reach very high densities in the absence of the top predator. (outthefrontdoor.com)