For the parasite, benefits include increased fecundity due to greater allocation of resources toward mating and producing more eggs rather than defending nests, incubating eggs, and feeding young.

Parasitic ants parasitize other ants using aggression and deception. Aa Aa Aa Among my fondest memories are the summers that I spent studying the ants of Elk Island National Park in western Canada.

Here is a list of 5 birds that lay eggs in other birds’ nests. Known as brood parasites, these birds that lay eggs in other birds’ nests employ a number of underhanded tactics. Some will rely ...