Please note that selected displays in the Mammal Zone are currently being cleared. The entire zone will be temporarily closed for renovations, starting late November, to welcome a fresh look in 2027!

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Raffles Bulletin of Zoology //

Population size, distribution and daylight behaviour of Irrawaddy dolphins (Orcaella brevirostris) in Penang Island, Malaysia

Population size, distribution and daylight behaviour of Irrawaddy dolphins (Orcaella brevirostris) in Penang Island, Malaysia