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0007554Dwarf FortressDwarf Mode -- Petspublic2014-07-21 22:002015-01-19 20:38
Toady One 
0007554: Crowded animals are too docile
Compared to v34.11, overcrowded animals are very docile. Not sure if this is a bug or a change to something like the GROUNDED_ANIMAL_ANGER ticker.
Embark (40.04)
Create a one tile room (wood is fastest) with a door.
In this one tile, create a Pen/Pasture zone and a burrow.
Pasture all animals in this zone.
Create a civilian alarm for this burrow, activate it.
All animals and dwarves should now be on a single tile.
Wait for the dwarves to die. Note the lack of animal aggression.

Same. Animal aggression begins inside the first month.
I've attempted to scale test this in a mature fort. 120+ dwarves, 17 dogs, 5+ cats, and a handful of misc birds all will happily stand in the same tile until the dwarves die of hunger/thirst.
No tags attached.
related to 0004367resolved Toady One Animals all try to graze from pasture's top left corner, starvation ensues 
related to 0004366resolved Toady One Animals in large pastures fight despite abundance of space 
Issue History
2014-07-21 22:00fortunawhiskNew Issue
2014-07-21 22:02FootkerchiefRelationship addedrelated to 0004367
2014-07-22 09:36fortunawhiskNote Added: 0027203
2014-07-27 16:09fortunawhiskNote Added: 0027728
2014-08-03 16:17fortunawhiskNote Added: 0028247
2014-08-26 15:23fortunawhiskNote Added: 0029689
2014-08-26 15:24FootkerchiefTag Attached: Intentional/Expected?
2014-08-26 19:114maskwolfIssue Monitored: 4maskwolf
2014-11-24 06:58FootkerchiefRelationship addedrelated to 0004366
2014-11-25 13:23Toady OneTag Detached: Intentional/Expected?
2014-11-25 13:23Toady OneStatusnew => resolved
2014-11-25 13:23Toady OneFixed in Version => Next Version
2014-11-25 13:23Toady OneResolutionopen => fixed
2014-11-25 13:23Toady OneAssigned To => Toady One
2015-01-19 20:384maskwolfIssue End Monitor: 4maskwolf

2014-07-22 09:36   
Update: Doesn't appear to be time related either. Left the dogs in an enclosed 1x1 pasture for a year. No fighting.
2014-07-27 16:09   
Retested with 40.05, same behavior.
2014-08-03 16:17   
Retested in 40.06, no change for fresh embark or saved games.
2014-08-26 15:23   
Retested on 40.10 embark, no change. Possibly intentional?