•Sorin
(2004), George Reserve, Michigan
•Males
aged 1.5 – 6.5 years
•Buck:Doe
1:1.5 to 1:2.0
•Multiple
paternity in 22% of twins
•Sires
from 1-3 years apart in age
•Hypothesized
older males displaced younger males tending estrous
females
•Younger buck breeding not entirely suppressed