Adaptive Prolonged Postreproductive Life Span in Killer Whales

作者：Foster Emma A; Franks Daniel W; Mazzi Sonia; Darden Safi K; Balcomb Ken C; Ford John K B; Croft Darren P^*

来源：Science, 2012, 337(6100): 1313-1313.

DOI：10.1126/science.1224198

<jats:p>Killer whale mothers continue to help their adult male offspring to survive long after ceasing reproduction.</jats:p>

• 出版日期2012-9-14