Last updated at 10:16

Watch the amazing birth of the killer whale calf

To enjoy the CBBC Newsround website at its best you will need to have JavaScript turned on.

The birth of a killer whale calf has been caught on camera at San Diego SeaWorld.

Visitors surrounded the tank as the birth took place and tourists had their cameras ready to catch the moment.

The killer whales mother, Kasatka gave birth to a 300lb calf after an hour of labour.

The new calf marks the sixth successful killer whale birth at the park.