Posted by: Rebecca Whitham, Editor Kenny Rogers and Dolly Parton. Diana Ross and Lionel Richie. Sam and Bagus. Some duets are timeless. For newly matched siamangs Sam and Bagus (bah-GOOSE), it’s only been a week and yet somehow it’s like they’ve been together forever. Sam and Bagus are an instant pair! Photo by Carolyn Sellar/Woodland Park Zoo. Sam lost his mate here at Woodland Park Zoo last year when our geriatric female Briony passed away. Across the country, Bagus lost her long-time mate at Palm Beach Zoo. A siamang’s social life is naturally structured around being in a bonded pair. Though Sam’s and Bagus’s keepers gave them all the TLC two lone siamangs could ask for, we all knew that what they needed most was to be part of a pair again. Sam and Bagus were well matched on paper. We work with other accredited conservation zoos through the Species Survival Plan to track the genetics of endangered species, such as siamangs, in our care. This way we can collaborate on m