Monday, April 25, 2011

Results:

               The wild mice had some change in activity level when the listened to the two bird calls.  While, regardless of what kind of sound was played, the mice did not change their activity.  No change in activity was observed with the white noise as expected.  Of the six wild mice, two froze for the robin call, one froze for the owl, and one went into hiding (Table 1). No significant results were found with a p-value of 0.785 using an ANOVA test.  Two wild mice and one white mouse did not explore the arena during the acclamation time.  Overall, the white mice calmly explode the arena, while the majority of the wild mice explored frantically.  During the owl calls, individuals in both groups were seen moving to the top of the shelter area, showing they were not expecting an aerial attack.  The two wild mice (wild 3 and 4) that had the owl call followed by the robin call showed reduced stress immediately following the owl call once the robin call was played.  
Table 1.  Mice reactions to calls of the Barred owl, the American Robin, and white noise.  All mice were actively searching during the white noise so it is not shown here.

Mice
Acclamation
Owl
Robin
White1
active searching
active searching
active searching
White2
active searching
active searching
active searching
White3
active searching
active searching
active searching
White4
active searching
active searching
active searching
White5
active searching
active searching
active searching
White6
hiding
active searching
active searching
White7
active searching
active searching
active searching
White8
active searching
active searching
active searching
White9
active searching
active searching
active searching
White10
active searching
active searching
active searching
wilds1
active searching
freeze
active searching
wilds2
hiding
active searching
freeze
wilds3
active searching
hiding
active searching
wilds4
active searching
active searching
active searching
wilds5
hiding
active searching
active searching
wilds6
active searching
active searching
freeze

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