The loser's breeding chances for now are ground into the sand. But this beachmaster's triumph is just the beginning of his troubles. Ahead lie dozens of fights and perhaps a hundred matings all for the sake of his bloodline. They need to pass on one's genetic legacy is a great motivator of migrations.

 

Nothing else could drive the nomads of the Falklands to tolerate life on land. Nothing else could make migrating mothers stand up to great predators or to drive potential fathers to travel great distances to deadly battlefields.