In lean years, Boutin said, trees starve squirrels so that when larger seed crops are produced randomly, there are fewer squirrels around to eat up all their future seedlings.
Monitoring red squirrels near Kluane National Park in the Yukon, however, led to surprising results.
Months before a big cone season started, squirrels went into a reproductive frenzy.
The pattern repeated itself in 1993, 1998 and again in 2005.
I for one, blame video games and sex on television. (link to CBC story)