Best Endemic

The Philippines is an archipelago with some of the highest levels of terrestrial and marine biodiversity in the world. Its isolated islands have fostered extreme endemism, particularly among birds, mammals, and reptiles. The region also features extensive coral reefs and seagrass beds. Conservation...

The Bearded Helmetcrest formerly denoted Oxypogon guerinii, a high-altitude hummingbird complex split into four species in 2013.

The Western Ghats is a mountain range running approximately 1,600 kilometers along the western coast of India. In 2012, UNESCO inscribed a serial cluster of sites across this region as a World Heritage property. The rainforests and montane forests of the Western Ghats are recognized as one of the wo...

The Galapagos Islands, a volcanic archipelago in the Pacific Ocean, are renowned for their exceptional biodiversity and unique endemic species, famously inspiring Darwin's theory of evolution. Strict conservation measures, including national park status and controlled tourism, protect this fragile e...

The Valdivian Temperate Rainforest is an ecoregion located on the western coast of southern South America, spanning areas of Chile and Argentina. It is one of the few temperate rainforest ecosystems in the world, characterized by high annual rainfall and oceanic climate influences. The forest is not...

The Black-billed Streamertail (Trochilus scitulus) is a hummingbird endemic to eastern Jamaica, where males bear elongated tail streamers.

The Gray-bellied Comet (Taphrolesbia griseiventris) is a threatened hummingbird endemic to arid montane habitats in northern and central Peru.

The Bee Hummingbird, *Mellisuga helenae*, is a tiny hummingbird endemic to Cuba. It holds the title of world’s smallest bird, measuring approximately 5-6 centimeters long and weighing just 1.6 to 2 grams. This Cuban species is notable for its diminutive size and unique feeding habits, primarily focu...

The Atlantic Forest, or Mata Atlântica, is a tropical and subtropical rainforest stretching along the Atlantic coast of Brazil and extending into parts of Paraguay and Argentina. Originally covering about 1.5 million km², centuries of deforestation have reduced it to under 15% of its original extent...

The Purple Frog (Nasikabatrachus sahyadrensis) was first described by scientists in 2003 and is a relic species found only in India's Western Ghats, representing an ancient lineage that diverged from its closest relatives over 100 million years ago.

The rainbow burrowing frog (Scaphiophryne gottlebei) is a species of microhylid frog endemic to the rocky canyons and sandy areas of the Isalo Massif in Madagascar. It is visually distinguished by its vibrant, contrasting pattern of red, green, black, and white, which provides camouflage against the...

The Chocó-Darién Rainforest is a vast tropical rainforest region extending along the Pacific coast from eastern Panama, through western Colombia, and into northwestern Ecuador. It is recognized as one of the wettest regions on Earth, receiving extremely high levels of annual precipitation. This clim...

The Inagua Woodstar (Nesophlox lyrura) is a hummingbird endemic to Great and Little Inagua in the Bahamas, with males bearing a deeply forked tail.

Haida Gwaii is an archipelago located off the northern Pacific coast of British Columbia, Canada. It features extensive tracts of temperate rainforest and is the ancestral homeland of the Haida Indigenous people. The southern portion of the archipelago is protected within the Gwaii Haanas National P...

Petasida ephippigera, or Leichhardt’s Grasshopper, is an Australian grasshopper belonging to the Pyrgomorphidae family. This endemic species is notable for its striking coloration, a form of aposematic warning signaling toxicity to predators. The vibrant hues are characteristic of insects containing...

The Glow-throated Hummingbird (Selasphorus ardens) is a threatened species endemic to western Panama, especially the highlands near Volcán Barú.

The Okinawa woodpecker is a rare bird species endemic to the northern part of Okinawa Island in Japan, primarily residing in the subtropical broadleaf forests of the Yambaru region. As the only extant woodpecker species native to Japan, it is officially designated as the prefectural bird of Okinawa....

The Sinharaja Forest Reserve is a protected area in southwestern Sri Lanka. Covering approximately 88 square kilometers, it represents the largest remaining primary tropical rainforest on the island. The reserve is distinguished by its high proportion of endemic species, including unique trees, amph...

The Baikal Seal inhabits Lake Baikal, Siberia’s largest lake. It is a unique true seal species and the world's only fully freshwater seal population. This endemic animal represents a distinct phocid lineage. Primarily found in the lake’s deeper waters, it is studied by marine biologists and conserva...

Gardiner's Seychelles frog (Sechellophryne gardineri) is a minuscule amphibian reaching only about 11 millimeters in length, making it one of the smallest frogs in the world. It is entirely endemic to the damp leaf litter of the forests on the islands of Mahé and Silhouette in the Seychelles. This s...

Opae ula are small, bright red shrimp native only to Hawaii’s unique anchialine pools. These endemic atyidae shrimp are notable for their remarkable longevity and ability to thrive in extremely brackish, low-oxygen environments. They are primarily kept as ornamental aquarium inhabitants, offering a...

The Galápagos sea lion is a unique subspecies of sea lion found exclusively in the Galápagos archipelago. Its small size and remarkably social nature on land – often observed basking together – make it notable within the Otariidae family. This endemic species is currently endangered due to habitat l...

The Nimba Mountains Nature Reserve is a UNESCO World Heritage Site inscribed in 1981, straddling the Nimba Range along the borders of Guinea and Côte d'Ivoire, with the mountain range extending into Liberia. The reserve's montane grassland and forest ecosystems harbor exceptional endemism, including...

The comet moth is a distinctive North American silkmoth belonging to the Saturniidae family. Its most notable feature is its exceptionally long tail, extending up to twice the length of its body. Endemic to the southeastern United States, it’s particularly studied by lepidopterists and those interes...

The Slender-tailed Woodstar (Microstilbon burmeisteri) is a tiny hummingbird of dry Andean valleys in Bolivia and Argentina, notable for its narrow tail.

The Borneo Rainforest is a globally significant tropical ecosystem renowned for its exceptional biodiversity. It harbors numerous endemic species including orangutans, proboscis monkeys, and the massive Rafflesia flower – the largest single flower on Earth. This area provides crucial habitat for cou...

The Philippine Flat-headed Frog (Barbourula busuangensis) is a strictly aquatic amphibian native to the islands of Palawan and Busuanga in the Philippines. It inhabits cool, clear, fast-flowing mountain streams where it absorbs much of its oxygen cutaneously due to its reduced lungs. The species exh...

The Blue-headed Hummingbird (Riccordia bicolor) is endemic to Dominica in the Lesser Antilles and is distinguished by the male's iridescent blue head.

The Galápagos fur seal is a small otariid seal found exclusively in the Galápagos archipelago. It’s notable for its unique reproductive behavior where females typically raise just one pup over many years, a strategy linked to limited breeding opportunities on the islands. This endemic species is cla...