The 25-year-old man who lept from the zoo monorail into the tiger enclosure...

... had — on his Facebook page — this picture of a tigress licking the head of a tiger cub.

The Daily News calls it a "crazed bid to kill himself."

“He’s amazing and he loves everybody,” said the victim’s sister, who declined to give her name. “I really don’t know what happened.”

The Facebook page is full of sentimental notions about animals and the environment:

An image of foxes with the message, “We have more to fear from other people than from other animals” was also posted Thursday. In other posts he promotes a vegetarian diet.

Another image posted Thursday bears the message, “We need to stop being victims and living out of fear. We need to stop preparing for disaster, instead to anticipate a glorious future.”