Biology 1001A Chapter Notes - Chapter 47: Sister Wives, Estrous Cycle, Paleontology
14 Dec 2015
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Solitary animals mate briefly (ex. flies + leopards) Live w/ thousands of relatives (ex. bees + termites) Level of social interactions varies seasonally based on timing of reproduction: african lions may commit infanticide. Infanticide kill their offspring before they turn 1. Males who live in prides have higher reproductive output (think: sister wives) When new male takes over a pride, he kills nursing young, bringing females into estrus (recurring. Females benefit by cooperating and having support of other females. Pride male has more than one female and several young, cohabiting. Female lions living in prides more young produced. Benefit for males: increases chances of succeeding at reproducing cycle where females get excited to mate and reproduce) Females have higher reproductive output when in a pride. Hunting is more efficient therefore can raise more young. Cannot be outnumbered by hyenas group defences affect lion"s hunting success: advantages & disadvantages of group living.
