单词	siblicide
释义	siblicide /ˈsɪblɪsʌɪd / noun [mass noun] Zoology The killing of a sibling or siblings, as a behaviour pattern typical in various animal groups.Asymmetric larval mobility and the evolutionary transition from siblicide to nonsiblicidal behavior in parasitoid wasps... The vast majority of this mortality is due to food shortage and/or siblicide, though predation can also be a significant source of mortality. Because obligate siblicide typically occurs shortly after the second chick hatches, brood size does not vary for the majority of the nestling period.
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