A property in the Murrumbidgee Irrigation Area has this week been combed as detectives ramp up the inquiry into what led to the child's death last year.

The toddler presented to Griffith Base Hospital with significant head injuries on December 1, police Murrumbidgee Police District investigators said as they launched a public appeal for information on Friday.

The child was airlifted from Griffith to Sydney Children's Hospital in Randwick, however he died on December 3, 2023.

Officers were notified and established Strike Force Burtundy to investigate the circumstances surrounding the toddler's death.

On Tuesday, March 19, detectives attached to Murrumbidgee Police District with the assistance of specialist officers conducted a line search at a rural property at Binya, approximately 30km north-east of Griffith, as they continue investigations into the circumstances surrounding the toddler's death.

A police spokesperson has told The Area News the search of a rural property at Binya on Tuesday was "evidentiary".

Officers were looking for any physical evidence consistent with information uncovered by the investigation into the death of a two-year-old Riverina boy in 2023.

"The specialist police involved were the Operational Support Group," the spokesperson said.

As inquiries continue, police would like to speak to anyone who may have seen the child in the week prior to his death in the townships of Leeton, Binya and Griffith, to contact Crime Stoppers on 1800 333 000.