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Animal notes april 30 - food to the nestlings in small...

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4/30/08 Main Points of Avian Siblicide -the less food the more aggressive -obligate siblicide- almost always kills the sibling -facultative siblicide- incidents vary based on environmental circumstances -four conditions essential to evolution of siblicide: resource competition, the provision of
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Unformatted text preview: food to the nestlings in small units, weaponry, spatial confinement-selfishness can be advantageous -both siblings may die or be weak if one does not kill other -one egg usually laid before and that elder usually commits siblicide -extra sibling usually insurance incase older one dies...
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  • Spring '09
  • me
  • Sibling, Siblicide, spatial confinement -selfishness, siblicide -extra sibling, -facultative siblicide- incidents

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