Mantled Howler Monkey

Mammals > Primates

The Mantled Howler Monkey (Alouatta palliata) is the resonant, thunderous voice of the Central and South American rainforest canopy. Revered for its deep, roaring territorial vocalizations that reverberate across tropical river valleys for miles, this large,...

Red-necked Wallaby

Mammals > Marsupials

The Red-necked Wallaby (Notamacropus rufogriseus), widely celebrated across Australia and Tasmania as Bennett’s Wallaby, is one of the most familiar, handsome, and adaptable medium-sized macropods of eastern Australia. Easily recognized by the bright, rusty-red...

Northern Naked-tailed Armadillo

Mammals > Cingulata

The Northern Naked-tailed Armadillo (Cabassous centralis) is an elusive, secretive fossorial mammal native to the tropical forests and savannas of Central and northern South America. Instantly distinguished from all other regional armadillos by its fleshy, unarmored...

Dall Sheep

Mammals > Even-Toed Ungulates

The Dall Sheep (Ovis dalli), celebrated across the North American Subarctic as the Thinhorn Sheep or Alaskan White Sheep, is a legendary, snow-white monarch of the northern mountains. Inhabiting some of the most unforgiving, glaciated alpine peaks on Earth from Alaska...

Geoffroy’s Spider Monkey

Mammals > Primates

Geoffroy’s Spider Monkey (Ateles geoffroyi), also widely celebrated as the Central American Spider Monkey or Black-handed Spider Monkey, is the acrobatic king of the Mesoamerican canopy and one of the largest, most charismatic New World primates. Recognized...

Indus River Dolphin

Mammals > Cetaceans

The Indus River Dolphin (Platanista minor), revered in the Sindhi language as the ‘Bhulan’, is one of the world’s most unique, ancient, and critically endangered obligate freshwater cetaceans. Diverging from ancestral marine cetaceans tens of...

Jentink’s Duiker

Mammals > Even-Toed Ungulates

Jentink’s Duiker (Cephalophus jentinki) is the largest, rarest, and most mysteriously colored forest duiker on Earth. Discovered by Dutch zoologist Fredericus Anna Jentink in 1884, this heavyweight forest antelope wanders the deep, impenetrable primary...

Golden Langur

Mammals > Primates

The Golden Langur (Trachypithecus geei), also celebrated as Gee’s Golden Langur, is one of the most radiant, enigmatic, and celebrated primates in South Asia. Described for Western science by naturalist E. P. Gee in the 1950s, this sacred, leaf-eating colobine...

Pygmy Tarsier

Mammals > Primates

The Pygmy Tarsier (Tarsius pumilus), also known as the Mountain Tarsier, is the smallest, rarest, and most high-altitude tarsier on the planet. Barely larger than a tennis ball and weighing less than two ounces, this diminutive nocturnal primate was believed to have...

Cat Ba Langur

Mammals > Primates

The Cat Ba Langur (Trachypithecus poliocephalus), also known as the Golden-headed Langur, is one of the rarest primates on Earth and a world-renowned flagship species for island conservation. Confined entirely to the dramatic, jagged karst limestone cliffs of Cat Ba...