COPENHAGEN, Denmark - Saying it needed to prevent inbreeding, the Copenhagen Zoo killed a 2-year-old giraffe and fed its remains to lions as visitors watched, ignoring a petition signed by thousands and offers from other zoos and a private individual to save the animal.
Marius, a healthy male, was put down Sunday using a bolt pistol, said zoo spokesman Tobias Stenbaek Bro. Visitors, including children, were invited to watch while the giraffe was then skinned and fed to the lions.
Marius' plight triggered a wave of online protests and renewed debate about the conditions of zoo animals. Before the giraffe was killed, an online petition to save it had received more than 20,000 signatures.
But the public feeding of Marius' remains to the lions was popular at Copenhagen Zoo. Stenbaek Bro said it allowed parents to decide whether their children should watch what the zoo regards as an important display of scientific knowledge about animals.
"I'm actually proud because I think we have given children a huge understanding of the anatomy of a giraffe that they wouldn't have had from watching a giraffe in a photo," Stenbaek Bro said in a telephone interview with The Associated Press.
He said the zoo, which now has seven giraffes left, followed the recommendation of the European Association of Zoos and Aquaria to put down Marius by because there already were a lot of giraffes with similar genes in the organization's breeding program.
The Amsterdam-based EAZA has 347 members, including many large zoos in European capitals, and works to conserve global biodiversity and achieve the highest standards of care and breeding for animals.
Stenbaek Bro said EAZA membership isn't mandatory, but most responsible zoos are members of the organization.
He said his zoo had turned down offers from other ones to take Marius and an offer from a private individual who wanted to buy the giraffe for 500,000 euros ($680,000).
Stenbaek Bro said a significant part of EAZA membership is that the zoos don't own the animals themselves, but govern them, and therefore can't sell them to anyone outside the organization that doesn't follow the same set of rules.
He also said it is important for the breeding programs to work.
Bengt Holst, Copenhagen Zoo's scientific director, said it turned down an offer from Yorkshire Wildlife Park in Britain, which is a member of EAZA, because Marius' older brother lives there and the park's space could be better used by a "genetically more valuable giraffe."
Yorkshire Wildlife Park said it called the zoo on Saturday with a last-minute offer to house Marius in a new giraffe house with room for an extra male. It said it was saddened by the killing of Marius, but "without knowing the full details it would be inappropriate to comment further."
Copenhagen Zoo also turned down an offer from a zoo in northern Sweden, because it was not an EAZA member and didn't want to comply with the same high standards, Holst said.
"I know the giraffe is a nice-looking animal, but I don't think there would have been such an outrage if it had been an antelope, and I don't think anyone would have lifted an eyebrow if it was a pig," said Holst.
Copenhagen Zoo doesn't give giraffes contraceptives or castrate them because that could have unwanted side effects on their internal organs, and the zoo regards parental care as important, said Holst.
EAZA said it supported the zoo's decision to "humanely put the animal down and believes strongly in the need for genetic and demographic management within animals in human care."
However, the organization Animal Rights Sweden said the case highlights what it believes zoos do to animals regularly.
"It is no secret that animals are killed when there is no longer space, or if the animals don't have genes that are interesting enough," it said in a statement. "The only way to stop this is to not visit zoos."
"When the cute animal babies that attract visitors grow up, they are not as interesting anymore," said the organization.
Elisa Allen, spokeswoman for People for the Ethical Treatment of Animals in the U.K., said Marius' case should serve as a wake-up call for anyone who "still harbors the illusion that zoos serve any purpose beyond incarcerating intelligent animals for profit."
She said in a statement, "Giraffes rarely die of old age in captivity, and had Marius not been euthanized today, he would have lived out his short life as a living exhibit, stranded in a cold climate, thousands of miles away from his true home."
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