The park in southern Orange County will remain closed until further notice.
Moose do not typically act aggressively towards humans but they are unpredictable animals,
Eyewitnesses said the bear was wandering around and eating from birdfeeders. It has now been taken to a rehabilitation center.
"It was absolutely amazing to see something so dramatic and intense in person," said 27-year-old Haydn Thomason.
The bear, known as Jambolina, was forced to perform in a circus for 11 years.
Researchers say this is first known case of the phenomenon in the animals.
"I don't frighten easily and this was terrifying," boatsman David Smith said.
Wildlife officials are warning people in mountain lion country to stay "vigilant" and keep a close eye on their pets.
Wildlife officials later found the female bear and euthanized the animal, taking her two cubs into their possesion.
"If that bear would have gotten in the house, it probably would have been all over for us," Sid Lebarron said.
A woman made the gruesome discovery near Foresthill, around 50 miles northeast of Sacramento.
"Once she grabbed me it was like a car wreck it happened so quick," the hunter Ronnie Dalton said.
Since Monday, over 450 long-finned pilot whales have been stranded on the shores of Macquarie Harbor in Australia.
Nearly 400 beached whales have died on the shores of Tasmania, Australia, since Monday.
The woman walked nearly two miles after being bitten in order to get to her car, before driving herself to a hospital.
The whales are currently acclimatizing in a care facility at a first-of-its kind sea sanctuary before their eventual release.
The skeleton is the most complete of a fossil mammal from the Mesozoic era in the regions that once formed the supercontinent Gondwana.
A vulnerable population of wolves living on Prince of Wales Island lost 97 percent of the population during the 2019-2020 trapping season.
"People were routinely exposed to bats through guano harvesting, religious practices, and ecotourism," the authors wrote in the study.
These long-term cooperative relationships between unrelated bats appear to be similar in form and function to human friendships.
The whales were observed in the Northeast Canyons and Seamounts Marine National Monument, located around 130 miles east-southeast of Cape Cod, Massachusetts.
The yellow-footed antechinus is a marsupial has a rare and unusual mating behavior known as "male semelparity."
For centuries, ambergris has been highly prized for its unique for its use a perfume ingredient.
The footprints are dated to a time when a major mass extinction event devastated life on Earth.
"I am honored to welcome our canine friends back to Colorado after their long absence," Colorado Governor Jared Polis said.
The duck-billed mammal is currently listed as Near-Threatened on the IUCN Red List.
"We show that interactions between meerkat groups are never tolerant," researcher Mark Dyble said.