Binturongs, or bearcats, are large arboreal civets from Southeast Asia with unique welfare needs in captivity. Their prehensile tails, nocturnal habits, and specialized diet require thoughtful zoo husbandry.
Key Facts
Binturongs are the only Old World mammals with fully prehensile tails, which they use as a fifth limb
They smell distinctively of buttered popcorn due to a chemical called 2-acetyl-1-pyrroline in their scent glands
Binturongs are primarily frugivores but will eat eggs, birds, and fish opportunistically
They are one of few mammals capable of delayed implantation, allowing females to time births with food availability
Binturongs are classified as Vulnerable due to hunting for the pet trade and bushmeat markets
They are largely solitary but tolerate conspecifics more than many civet species
Welfare Considerations
Binturongs in zoos require strong arboreal structures to accommodate their climbing and prehensile tail use. Enclosures that lack substantial climbing complexity lead to stereotypic pacing at ground level. Their nocturnal activity pattern means daytime exhibits show limited natural behavior; nocturnal house facilities produce significantly better behavioral outcomes. Diet in captivity must balance their preference for fruit with protein requirements. Scent marking is an important behavioral need; environmental features that allow normal scent deposition reduce stress. Binturongs habituate well to keeper contact when positive reinforcement training is employed from an early age.
What You Can Do
Support zoos with binturong conservation breeding programs and Southeast Asian habitat partnerships
Never support the exotic pet trade in binturongs or other civet species
Learn about Southeast Asian forest conservation and its importance for binturong survival
Advocate for zero-tolerance policies on wildlife trafficking from range countries