The odd one out

Challenge #1 in the Visual versus Frontal Cortex series. Hosted by Xscream.
Challenge has finished
Find something repetitive, with one exception. For example a lot of apples with one pear, orange flowers with just one yellow one in between, or some young people with one old person in their middle.
Show full rules
submission
phase has
ended
133 entries
voting
phase has
ended
2726 votes
Autumn Leaves
Click here for full size original image
105th place
1.700
 
low
high
Noticed this prominent red leaf among several brown ones. A closer look reveals ice crystals along the edges.
Camera:
Lens:
Submitted: Saturday, 23rd January, 2010 17:23 (GMT)
Taken: Saturday, 5th December, 2009
Focal length: 46 mm
Shutter speed: 1/125 sec
Aperture: F5.6
ISO: 160
Notes:
Views: 241
Provide complaint details
Your complaint (along with the complaints of others regarding this entry) will be reviewed by the challenge owner. Depending upon the nature and applicability of the complaint, the entry may be disqualified. In extreme circumstances the user who submitted the entry may receive a ban from the challenge or series in question.
Reason:
Comments:
Saving ...
Complain
Keyboard shortcuts:
p previous n next c challenge f full size r retract vote # vote