An update to my species list from 2017.
Mammals
Black-and-white ruffed lemur, Varecia variegata
Ring-tailed lemur, Lemur catta
Red-handed tamarin, Saguinus midas
Bearded emperor tamarin, Saguinus imperator subgrisescens
Golden lion tamarin, Leontopithecus rosalia
Golden-headed lion tamarin, Leontopithecus chrysomelas
Crested capuchin, Sapajus robustus
Dusky/coppery titi, Callicebus moloch
White-faced saki, Pithecia pithecia
Colombian black spider monkey, Ateles fusciceps robustus
Southern black howler, Alouatta caraya
Guereza colobus, Colobus guereza
Lar gibbon, Hylobates lar
Giant anteater, Myrmecophaga tridactyla
Linne's two-toed sloth, Choloepus tridactylus
Ocelot, Leopardus pardalis
Binturong, Arctictis binturong
Indian crested porcupine, Hystrix indica
Prehensile-tailed porcupine, Coendou prehensilis
Guanaco, Lama guanicoe
Dromedary camel, Bactrian camel, and other domestics
Birds
Bald eagle, Haliaeetus leucocephalus
White-faced whistling duck, Dendrocygna viduata
Scarlet ibis, Eudocimus ruber
Sunbittern, Eurypyga helias
Blue-and-yellow macaw, Ara ararauna
Red-crowned amazon, Amazona viridigenalis
Yellow-headed amazon, Amazona oratrix
White-bellied caique, Pionites leucogaster
Sun conure, Aratinga solstitialis
Troupial, Icterus icterus
Lady Ross's Turaco, Tauraco rossae
Spectacled Owl, Pulsatrix perspicillata
Green peafowl (?), Pavo muticus (unsigned in aviary; might be hybrid)
Reptiles
Western pond turtle, Actinemys/Emys marmorata
Boa constrictor, Boa constrictor
Amphibians
Golden poison frog, Phyllobates terribilis
Mammals
Black-and-white ruffed lemur, Varecia variegata
Ring-tailed lemur, Lemur catta
Red-handed tamarin, Saguinus midas
Bearded emperor tamarin, Saguinus imperator subgrisescens
Golden lion tamarin, Leontopithecus rosalia
Golden-headed lion tamarin, Leontopithecus chrysomelas
Crested capuchin, Sapajus robustus
Dusky/coppery titi, Callicebus moloch
White-faced saki, Pithecia pithecia
Colombian black spider monkey, Ateles fusciceps robustus
Southern black howler, Alouatta caraya
Guereza colobus, Colobus guereza
Lar gibbon, Hylobates lar
Giant anteater, Myrmecophaga tridactyla
Linne's two-toed sloth, Choloepus tridactylus
Ocelot, Leopardus pardalis
Binturong, Arctictis binturong
Indian crested porcupine, Hystrix indica
Prehensile-tailed porcupine, Coendou prehensilis
Guanaco, Lama guanicoe
Dromedary camel, Bactrian camel, and other domestics
Birds
Bald eagle, Haliaeetus leucocephalus
White-faced whistling duck, Dendrocygna viduata
Scarlet ibis, Eudocimus ruber
Sunbittern, Eurypyga helias
Blue-and-yellow macaw, Ara ararauna
Red-crowned amazon, Amazona viridigenalis
Yellow-headed amazon, Amazona oratrix
White-bellied caique, Pionites leucogaster
Sun conure, Aratinga solstitialis
Troupial, Icterus icterus
Lady Ross's Turaco, Tauraco rossae
Spectacled Owl, Pulsatrix perspicillata
Green peafowl (?), Pavo muticus (unsigned in aviary; might be hybrid)
Reptiles
Western pond turtle, Actinemys/Emys marmorata
Boa constrictor, Boa constrictor
Amphibians
Golden poison frog, Phyllobates terribilis