The female, named Kitoto, left Sydney’s Taronga Zoo on Monday and crossed the WA-SA border on Wednesday afternoon. Kitoto made the journey to meet a male giraffe dubbed Armani, which zookeepers hope will boost numbers of the rare African animals.

In a statement, Perth Zoo said the latest research indicated there were fewer than 80,000 of the animals left on the African plains.

The transfer is designed to improve genetic diversity of the remaining population.

However, the zoo said a great deal of planning had to go into organising the move.

“We obviously had to map out a route that didn’t have any low bridges or overpasses.”

She said electrical wires had to be raised in some places to allow Kitoto through.

Since 1995 Perth Zoo’s breeding program has produced seven giraffes