The family intends to direct future funds toward specialized care and the hospital.
"Further donations will be used to support our son's rehabilitation and to give back to the hospital who have helped us in many ways during this challenging time.
Thank you," they stated.
Police Investigation and Zoo Response
Following the incident, Cambridgeshire Police arrested a 30-year-old man from Norfolk on suspicion of attempted murder.
The suspect, who reportedly has learning difficulties and was visiting with carers, was subsequently bailed after being assessed as unfit for immediate police interview.
Authorities confirmed that the young boy remains in stable condition.
Police stated that the boy remains in Addenbrooke's Hospital in Cambridge in a "stable condition," having been "injured by a crocodile" after he ended up in the enclosure.
Management at Johnsons of Old Hurst issued a public statement praising the immediate response of individuals on the property.
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The zoo said it was "alerted to reports that a child had allegedly been thrown into one of our crocodile enclosures" on June 18.
Zoo co-owner Tracey Johnson reportedly entered the enclosure directly to rescue the child.
"Everyone who was on site that day acted with incredible speed and determination," the Johnsons stated.
The child received immediate first aid from staff and visitors before specialized medical teams arrived.
"Within minutes of the first radio call, the child had been rescued from the enclosure and was receiving first aid," the Johnsons said.