An older caribou bull is forced to fend off a herd of young males intent on stealing his mate. Will he stop to fight or keep up with the chase? He has to play his cards right, as the victor will be the new “boss.”
(We are gearing up for Frozen Planet! Tonight on Discovery Channel at 8pm e/p)
More Frozen Planet videos here
(Source: news.discovery.com)
Tiger Woods attempts to hit out of the rough, but instead hits Daily Mail photographer Mark Pain’s camera with the ball on the final hole of the 2010 Ryder Cup. (Mark Pain/Mail on Sunday/ZUMA Press)
Click here to check out the newly launched SI Golf Photos Blog
Muhammad Ali stands over Sonny Liston after knocking him out in the first round of their 1965 fight. Ali turns 70 today. (Neil Leifer/SI)
GALLERY: Classic Photos of Muhammad Ali | Ali at 70
VIDEO: Boxing historian Bert Sugar on greatness of Ali
SI VAULT: Ali beats Frazier in Manilla (10.13.75)
