OK, my first thought was that this was an Onion satire.

But... apnews.com?

More from the cited article ...

... The zoo, which could not immediately be reached for additional details, does not list other pets or animals as possible donations. ...

From the dw.com article in #3 ...

... Is it common to donate pets to the zoo?

The call for donations attracted international media attention. But Pia Nielsen, deputy director of Aalborg Zoo, said the initiative was common practice in Denmark.

"For many years at Aalborg Zoo, we have fed our carnivores with smaller livestock," she said in a statement quoted by The Guardian.

"In Denmark, this practice is common, and many of our guests and partners appreciate the opportunity to contribute."

In 2014, Copenhagen Zoo came under international scrutiny for euthanizing a healthy giraffe to avoid inbreeding.

Aalborg Zoo opened in 1935. It houses predators including the European lynx, Asiatic lion, Sumatran tiger and African wild dog, according to its website. ...