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Too many kids (What animals do about it (Siblicide (Pelicans, Indirectly…
Too many kids
What animals do about it
Infanticide
Stork
Siblicide
Pelicans
Indirectly selecting for fittest
Favouritism
Cootes
Changes depending on who looks most healthy
Results
Get rid of additional offspring
Can give more resources to few offspring
Select for stronger offspring
In humans
Parents leaving kids out in the roads
Favouring some children and not others
Let siblings bully each other
Why
Seasonal food availability is realized after making offspring