WAIMANALO, Oahu, Hawaii -- The world's only known living hybrid of a false killer whale and an Atlantic bottlenose dolphin known as a "wholphin" has given birth to a female calf.

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The hybrid mother, Kekaimalu, gave birth about a 100 days ago.

Her baby female calf, yet to be named, is one-fourth false killer whale and three-fourths dolphin.

The only two wholphins in the world are kept in seclusion at Sea Life Park's mammal nursery to allow the baby to thrive.

"We were very excited to know that she was pregnant and very excited to have her successfully take over the calf when she was born," Seal Life Park General Manager Renato Lenzi said.

Kekaimalu, which means peaceful sea, is eating about 80 pounds of frozen herring and capelin a day to keep up with the demands of nursing her baby.

This is Kekaimalu's third baby. One died from failure to thrive in 1990. The other died of an infection after living for nine years.

Hopes are high for this baby because at 19 years old, Kekaimalu is a mature and experienced mother.

"This is a fantastic opportunity for us and for the research community in order to gain more information about the two species and the product of their breeding," Lenzi said.

The wholphin baby shows her part whale heritage. She is only three months old, yet she's already the size of a 1-year-old dolphin.

Kekaimalu's baby will be available for viewing by the public at the park sometime before the summer.