The rhino was left for dead after poachers hacked off his horn, leaving him with a "horrific" wound.
Daisy the tiny rhino was found unable to stand and with the umbilical cord still attached, and in a weak condition.
Four suspects have been arrested for the killings of four of the 22 rhinos butchered in the last week.
Nile crocodiles, common in the iSimangaliso wildlife park, are the most deadly of all crocodilians, accounting for hundreds of human deaths every year.
The Aspinwall Police Department believes the taxidermied head is more than 50 years old and confirmed that no one has yet claimed it.
Endangered southern white rhino Kimba gets a 10-day rest before starting his new duties.
Last month China announced it would allow the use of rhino and tiger products under certain circumstances.
The largest study of Javan rhinos suggests these beasts are hovering on the edge of extinction.
'Kenya is making a statement that for us ivory is worthless unless it is on our elephants,' President Uhuru Kenyatta said.
The environment ministry said it would appeal the ruling.