Kleptoparasitism or cleptoparasitism (literally, parasitism by theft)'s a form of feeding where one animal takes prey from another that's caught, killed, or otherwise prepared the prey, including stored food (as in the case of cuckoo bees, which lay their eggs on the pollen masses made by other bees). Kleptoparasitism's also the 'stealing' of nest material or other inanimate objects from one animal by another. The kleptoparasite gains either by obtaining prey or other objects that it couldn't o… (More on Kleptoparasitism)