Siblicide (attributed by behavioural ecologist Doug Mock to Barbara M. Braun) is the killing of an infant individual by its close relatives (full or half siblings). It may occur directly between siblings or be mediated by the parents. The evolutionary drivers may be either indirect benefits for the genetic viability of a population or direct benef...
killing or killer of a sibling
is where a young animal kills its brother or sister (sibling). This often occurs in birds where the stronger one kills the weaker one to avoid competition.
the killing of a sibling; eaglets and other young raptors sometimes engage in silicide, particularly when food is scarce
nestmates kill a sibling, sometimes when there is not enough food for all chicks.
The killing of one's sibling; in birds whose offspring practice siblicide, usually the stronger, older nestlings kill the younger, weaker nestlings, either by direct attack or by pushing them out of the nest.
The death of a young bird usually as a result of fighting with siblings over food, common in years when food is in short supply.
Killing of one chick by another to reduce competition for food (see Cainism).