Phalacrocoracidae is a family of some 40 species of aquatic birds commonly known as cormorants and shags.<br>A black, reptilian-looking bird swims by low to the water - but is it a Cormorant or a Shag? Cormorants are more familiar and wide-spread, although Shags are .<br>Short video about cormorants, birds that swim by diving underwater to take small fish and invertebrates. They may dive to depths of at least 160 feet.<br>Cormorant Birds Catch Large Fish.<br>Fishing using cormorants is an ancient Chinese tradition that is still practiced today. A string is tied around the birds neck and they are sent out into the water to .
