Whales range in size from the blue whale, the largest animal known to have ever lived on the planet to various pygmy species, such as the pygmy sperm whale that reaches a length of around 10 feet. Whales may all be part of the same order, but shapes and sizes vary tremendously depending on species. So, how do right whales size up? A graphic that compares the size of whale species in the order Cetacea. http://www.pbs.org/wnet/nature/episodes/ocean-giants/the-whales-a-size-comparison/7605/
Humpback whales will, of course, protect their own young from killer whales. A mother humpback whale and newborn calf photographed off Baja California, Mexico, Oct 2009. When necessary, the mother will use her massive pectoral flippers to defend her small calf from attacking predators, especially killer whales. Photo: M. Lynn, NOAA, Southwest Fisheries Science Center.
Spectacular fin whale breach a rare sight - GrindTV.com The fin whale, also called the finback whale, razorback, or common rorqual, is a marine mammal belonging to the suborder of baleen whales. Wikipedia Scientific name: Balaenoptera physalus Rank: Species Higher classification: Balaenoptera