article_snippet: The prevalence of the behaviour reported here is unknown - it could reflect opportunistic predation by a generalist predator or it might be a common tactic. '
article_snippet: Behaviour are commonly attacked by great white sharks, which attack Behaviour from below, and killer whales which hunt Behaviour in packs.
article_snippet: I would think it is possibly a learned behaviour based on limited normal food availability.'
article_snippet: Dominic Tollit, a marine mammal consultant with the Sea Mammal Research Unit in Canada, told New Scientist that attacking such a large and heavily armed predator is a high risk strategy if simply looking for food.
article_snippet: Dominic Tollit, a marine mammal consultant with the Sea Mammal Research Unit in Canada said: 'Would you attack a lion if you're hungry, or would you go for something smaller?'