noun
intraspecific brood parasitism
Technical term in biology/ornithology for when a bird lays eggs in the nest of another bird of the same species. Contrasts with 種間托卵 (interspecific brood parasitism).
See also: 種間托卵
カッコウは種間托卵で知られるが、一部のカモ類では種内托卵が観察される。
Cuckoos are known for interspecific brood parasitism, but intraspecific brood parasitism is observed in some duck species.
種間托卵 is brood parasitism between different species, while 種内托卵 is within the same species.
Compound of 種内 (intraspecific) + 托卵 (brood parasitism).