Borneo Earless Monitor

Reptiles > Monitors

The Borneo Earless Monitor (Lanthanotus bornensis) is one of the most enigmatic and evolutionarily singular reptiles on Earth. The sole surviving member of the ancient family Lanthanotidae, this semi-aquatic, burrowing ‘living fossil’ represents a sister...

Long-footed Potoroo

Mammals > Marsupials

The Long-footed Potoroo (Potorous longipes) is a secretive, rabbit-sized marsupial that ranks among the rarest and most elusive mammals in Australasia. Cloaked in dense, grizzled grey-brown fur, this quiet forest floor wanderer was only recognized by modern science in...

Wood Sprite Gracile Opossum

Mammals > Didelphimorphia & Opossums

The Wood Sprite Gracile Opossum (Gracilinanus dryas) is an elusive, miniature arboreal marsupial native to the chilly, epiphyte-draped cloud forests and high-elevation elfin woodlands of the northern Andes. Named ‘dryas’ after the mythical Greek tree...

Frost’s Arboreal Alligator Lizard

Reptiles > Anguidae & Alligator Lizards

Frost’s Arboreal Alligator Lizard (Abronia frosti) is an exquisite and critically endangered squamate reptile endemic strictly to the mist-wrapped heights of the Sierra de los Cuchumatanes in western Guatemala. Discovered and described in the late 20th century,...

Blue-eyed Spotted Cuscus

Mammals > Phalangeridae & Cuscuses

The Blue-eyed Spotted Cuscus (Spilocuscus wilsoni) is an extraordinary and critically imperiled arboreal marsupial endemic solely to the oceanic islands of Biak and Supiori in eastern Indonesia. Renowned for its captivating, piercing pale blue eyes—a phenotypic...