Wildlife officers have been unable to find an aggressive magpie in the area where an attack left a four-year-old boy blind in one eye.

Seth McInnes, 4, sustained the damage after a vicious magpie attack in a Toowoomba park on Sunday afternoon.

Toowoomba man Chris McInnes nurses his son Seth who was blinded in his left eye by a swooping magpie. Credit:The Chronicle

brisbanetimes.com.au understands Department of Environment and Resource Management officers have been to the park area three times since yesterday.

They attended with a magpie relocation specialist but have been unable to find any swooping bird.