Prevost’s Squirrel

Mammals > Rodents

Prevost’s Squirrel (Callosciurus prevostii), also widely recognized as the Asian Tricolored Squirrel, is renowned among naturalists as one of the most vividly patterned rodents on the planet. Native to the luxuriant rainforests of the Sunda Shelf, this agile...

Horned Guan

Birds > Galliformes

The Horned Guan (Oreophasis derbianus), known in Spanish as the ‘Pavón cornudo,’ is one of the most magnificent and ancient cracid birds in the Americas. Belonging to a monotypic genus that represents an evolutionary relic dating back to the early Neogene,...

Derby’s Woolly Opossum

Mammals > Didelphimorphia

Derby’s Woolly Opossum (Caluromys derbianus) is an enchanting, strictly arboreal marsupial native to the lush tropical rainforests of Central and northwestern South America. Distinguished by its remarkably dense, woolly coat, large forward-facing lustrous eyes,...

Hainan Gibbon

Mammals > Hylobatidae & Gibbons

The Hainan Gibbon (Nomascus hainanus) is recognized as the rarest primate on Earth and one of the world’s most critically endangered mammal species. Endemic entirely to the subtropical island of Hainan in southernmost China, this slender, acrobatic small ape was...

Milton’s Titi

Mammals > Primates

Milton’s Titi (Callicebus miltoni), also known as the Fire-tailed Titi Monkey, is an enchanting Neotropical primate described in 2014 from the interfluvial forests of south-central Amazonia in Brazil. Named in honor of renowned Brazilian primatologist Dr. Milton...