Which animal could kill the blue whale?

BLUE WHALES CAN THEY BE KILLED BY ANIMALS? Scientists watched a pod of 30 dolphins known as Killer WHALES attack a 30 meter long 1350 kg. BLUE WHALE, off Monterey, California this year. read more

Killer whales can, and do, kill blue whales. Granted, they don't normally do this by themselves and the blue whales aren't normally adult size, but they're the only animal that is capable of killing one. read more

Orca (Killer whales) are Apex Predators which means they are really not hunted for food by others in the sea. A Blue whale can kill an Orca (Killer Whale) with just one strike of it's tail. A Sperm Whale could also kill an Orca if it was being attacked either with it's teeth or its tail. read more

Despite being so massive, this giant of the ocean feeds on some of the smallest marine life – tiny shrimp like animals called krill. A single adult blue whale can consume 36,000 kg of krill a day. Incredibly, Blue Whales are graceful swimmers cruise the ocean at over 8km/h, and can reach speeds of over 30km/h. read more