I've seen rhinoceros hornbills at three zoos.
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Kirana at the Toledo Zoo in 2018. Females have white eyes. |
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Andaru at the Toledo Zoo in 2019. Males have red eyes. |
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Cincinnati Zoo in 2021 |
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A juvenile at the Minnesota Zoo in 2024 |
Kirana and Andaru have lived at the Toledo Zoo since 2008. They seem to be compatible, but there have been no chicks.
In January, 2025, the missing gardener and I attended a rhinoceros hornbill keeper talk. The keeper was inside the enclosure, tossing grapes to the birds, and he said the hornbills have excellent beak-eye coordination. He also explained that their upper and lower mandibles meet only at the tips of their beaks, so they catch the grapes at the tips and toss them into their mouths. I don't have shots of that, but I did catch a silvery-cheeked hornbill's toss in 2023.
Here, Kirana and Andaru share a tender moment and a grape: