In June 2018, keepers were checking the nestboxes on Penguin Beach and found one of this season’s eggs had been accidentally broken by its parents. They were astonished to find a tiny chick still alive inside. Quick-thinking keepers knew the delicate Humboldt penguin chick – nicknamed Rainbow - wouldn’t survive without help, so they rushed her to the Zoo’s onsite vet clinic, where the heroic vet team sprang into action.