Predation evasion
Destroying the evidence
Defensive grouping
Killing the messenger
Conservationist allocation of flock resources
Collecting the whole set
The survival instinct
Bringing home the bacon
Continuation of the species
Living the life
Surpassing minimal survival requirements
Besting your rivals
Planning for tomorrow
Sleeping in the gutter
Passing on cultural traditions
Pissing off your elders
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