
Monkeying around —
Staff at Japan's Ueno Zoo practiced capturing escaped animals by chasing around one of their colleagues wearing a gorilla suit.

Monkeying around —
Visitors gaped as scores of helmet-wearing keepers surrounded the "gorilla" with cars and nets.

Monkeying around —
Staff then pretended to tranquilize their coworker, who swooned dramatically and collapsed to the ground.

Monkeying around —
The acting ape was immediately wrapped in a large net and hauled away on a truck.

Monkeying around —
"I tried to feel what an animal might feel and realized when they were on the run they would be scared," said zookeeper Natsumi Uno, who wore the costume.

Rip-off rhino —
In 2004, the zoo practiced using two men dressed up in a papier-mâché rhinoceros costume.

Not impressed —
This real gorilla from the Ueno Zoo finds nothing to get so excited about.



