Thomas's leaf monkey in Sumatra. Photo by: Rhett A. Butler. With unmistakable coloring and a philosophical, at times almost melancholy expression, the Thomas's leaf monkey (Presbytis thomasi) is one of…
Hyacinth macaw in Brazil. Photo by: Rhett A. Butler. Hyacinth macaws (Anodorhynchus hyacinthinus) are the world's largest macaw. They are found in Brazil, Bolivia, and Paraguay and prefer swamps and…
A baby common hippo named Hula takes its first swim at the Zoological Society of London's Whipsnade Zoo. Photo courtesy of ZSL. Common hippos (Hippopotamus amphibius) survive throughout sub-Saharan Africa,…
Baby Francois langur looking at the world at the London zoo. Photo courtesy of ZSL. One of the world's most endangered primates recently gave birth to an orange-haired baby at…
A chestnut-breasted coronet hummingbird in Peru earlier this year. Photo by: Rhett Butler. The chestnut-breasted coronet (Boissonneaua matthewsii) is native to the Andean forests of Peru, Ecuador, Colombia. The species…
Baby blue poison dart frog. Photo by Rhett A Butler The blue color form of the green-and-black poison dart frog (Dendrobates auratus) is occurs on the Pacific side of parts…
In celebration of World Rhino Day (September 22nd), here's a Borenan rhino in Sabah, Malaysia on the island of Borneo. Photo by: Jeremy Hance. The Sumatran rhino is the world's…
Meandering river in the Amazon. Photo by Rhett A. Butler. Rivers in lowland Amazonia tend to meander due to the flatness of the basin. For example, the Amazon itself falls…
Pfeiffer Burns underwater park in Big Sur. Photo by Rhett A. Butler. A new study, commissioned by the California Department of Boating and Waterways and conducted by San Francisco State…
Malay Red Harlequin (Paralaxita damajanti) in Indonesian Borneo Photo by Rhett A. Butler. The Malay Red Harlequin (Paralaxita damajanti) is a butterfly species found in the rainforests of peninsular Malaysia,…
Giraffe patterns. Photo by: Tiffany Roufs. A South African giraffe (Giraffa camelopardalis giraffa) in Chobe National Park, Botswana. The world's tallest land animal, giraffes inhabit sub-Saharan Africa. Giraffes are listed…
A four-month old baby Bolivian gray titi monkey hangs from its mother at the Wildlife Conservation Society’s Bronx Zoo. Photo by: Julie Larsen Maher © WCS. The Bolivian gray titi…
Where the Andes meets the Amazon. Photo taken August 2011 by Rhett Butler The zone where the Amazon rainforest meets the Andes mountains is the most biodiverse place on Earth.…
Rainbow over the Andean foothills of the Peruvian Amazon. Photo taken August 11 by Rhett Butler While environmentalists have long lamented the destruction of the Amazon rainforest, in recent years…
Rare Siamese Crocodile hatchling in Laos. M. Douangmyxay/WCS Laos Program Conservationists are celebrating the hatch of 20 critically endangered Siamese crocodiles at the Laos Zoo, according to the Wildlife Conservation…
A two week old Patagonian mara makes his photographic appearance at the Wildlife Conservation Society’s (WCS) Central Park Zoo. Photo by: Julie Larsen Maher © WCS. The Patagonian mara (Dolichotis…
Activists against the tar sands pipeline rally on Saturday in Washington, DC ahead of Hurricane Irene. Photo by: Josh Lopez/Tar Sands Action. Click to enlarge. A two week long civil…
A moth on a beach in Cancun, Mexico. Photo by: Rhett A. Butler. This hypnotic moth was photographed on a beach in Cancun, showing there's more to this fashionable vacation…
Fer de lances are 'milked' in order to extract the venom to create anti-venom. This photo was taken in Amacayacu National Park in Colombia. Photo by: Rhett A. Butler. If…
Sunrise over the Kosñipata Valley, one of the gateways to the Western Amazon, the most biologically-rich area of forest on the planet. Photo taken August 17 by Rhett Butler The…
Caught off the coast of Canada, this 18-pound American lobster was saved from being cooked by a seafood distributor in San Francisco and now has a new home at the…
A red panda named Biru at the Wildlife Conservation Society’s (WCS) Central Park Zoo. Photo by: Julie Larsen Maher © WCS. The red panda ((Ailurus fulgens) is found in China,…
Founder of mongabay.com, Rhett A. Butler, took this photo of an Andean cock-of-the-rock in the cloud forests of Peru only yesterday. He says even photos do not do the bird's…
Where's the dancer? A well-covered dancer in a traditional costume in Benin. Photo by: Nancy Butler. Benin is a small country on the west coast of Africa. It achieved independence…
Two Verreaux's Sifaka (Propithecus verreauxi) in a heated chase in Madagascar. Photo by: Rhett A. Butler. One the ground Verreaux's Sifaka (Propithecus verreauxi) move in sideways jumps giving them the…
As the price of gold rises, the ecological cost mounts Illegal gold mine established in 2009 in the department of Madre de Dios. This mine encroaches on Tambopata Reserve. All…
A piranha on the Essequibo River in Guyana. Photo by: Tiffany Roufs. Few fish have a more fearsome reputation than the piranha. Yet recent research has shown that attacks on…
Dani elder from New Guinea. Photo by Rhett A. Butler. Today, August 9th, is the International Day of the World's Indigenous Peoples. To help celebrate the world's indigenous cultures, mongabay.com…
Tufted deer fawn born at the Wildlife Conservation Society’s (WCS) Prospect Park Zoo. The new fawn has been named Ellie, its mother—also pictured—is Lucy. Photo by Julie Larsen Maher/WCS. Native…
Female velvet asity collecting leaves in Madagascar. Photo by Rhett A. Butler. The velvet asity is a small bird endemic to Madagascar. The species is a part of a family…