Michael Bigg
... that Canadian researchers led by Michael Bigg discovered that many killer whales travel primarily with their mothers throughout their lives?
... that <a class="mw-redirect" href="./Canadian" id="mwDqU" rel="mw:WikiLink" title="Canadian">Canadian</a> researchers led by <b id="mwDqY"><a href="./Michael_Bigg" id="mwDqc" rel="mw:WikiLink" title="Michael Bigg">Michael Bigg</a></b> discovered that many <a class="mw-redirect" href="./Killer_whales" id="mwDqg" rel="mw:WikiLink" title="Killer whales">killer whales</a> <i id="mwDqk">(pictured)</i> travel primarily with their mothers throughout their lives?