Study Finds Beaked Whales' Tusks Evolved Through Sexual Selection Process
Friday, December 12, 2008 - 16:14
in Biology & Nature
(PhysOrg.com) -- For years, scientists have wondered why only males of the rarely seen family of beaked whales have “tusks,” since they are squid-eaters and in many of the species, these elaborately modified teeth seem to actually interfere with feeding.