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Killer whale (matriarchs (die impact (son mortality increase (three to…
Killer whale
matriarchs
cohesion
survival
foraging
die impact
son mortality increase
three to fourteen fold
power structure change
nobody lead
have a lot of good ecological role
need more time to transmit her knowledge
protection
prevent with petition
create new habitats
older died
105 y.o.
endengered
pollution
boat noise
chemical
can cause extinction
dykes
dams
reduced chinook salmon