Get To Know Our Gibbons | Smithsonian’s National Zoo and Conservation Biology Institute https://nationalzoo.si.edu/animals/news/get-know-our-gibbons
They’re goofy, sweet and superstars at training — meet Ronnie and Bradley, the Smithsonian’s National Zoo’s siamangs! These apes may be small in stature, but their endearing personalities (and booming calls) make their presence felt far beyond Gibbon Ridge.
Brachiating — swinging hand-over-hand through the branches—and other impressive acrobatic