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Every year, scientists worldwide unveil astonishing new species, often revealing unexpected and bizarre variations of nature. These discoveries generally highlight peculiar mutations or surprising organisms thriving in remote areas. Among the fresh findings, there’s a mix of new plant species and an abundance of creepy crawlers. Occasionally, however, a truly extraordinary discovery takes place, allowing the world to witness the astonishing creations of Mother Nature. These species were identified or formally recognized in 2013 by global scientific teams.
10. Glass Lizard
The glass lizard perfectly illustrates how new species can be found in even the most populated regions. Four distinct species of legless lizard were discovered near Los Angeles International Airport and other industrial zones in California's San Joaquin Valley. Researchers set traps with the aim of capturing rare creatures, and their efforts led to the discovery of four unique specimens known as ‘glass lizards.’ These lizards were named in honor of four prominent Berkeley scientists: Grinnelli, Campi, Alexandrae, and Stebbinsi.
What are the key differences between legless lizards and their most commonly confused relatives, snakes? Glass lizards earn their name due to their ability to shed their tails in response to danger, as they are brittle enough to break off. Surprisingly, these creatures are descendants of the familiar four-legged lizards. In contrast, snakes evolved from a much rarer lineage of four-legged snakes. Other distinctions include the presence of eyelids in lizards, which snakes lack (at least, not like ours), and a rigid jaw that cannot unhinge the way a snake’s can.
9. Epaulette
If there were ever a contest to crown nature’s most perfectly adapted creatures, sharks would certainly make it to the final round. These extraordinary animals are the epitome of evolution, with their sleek bodies effortlessly gliding through water, accompanied by features like sonar, powerful scent glands, muscular bodies, and rows of razor-sharp teeth. It seems there’s little else they could improve on. But now, we must add walking to their list of abilities.
The epaulette, discovered in Indonesia, is capable of walking across the ocean floor using its fins in a wiggling motion, resembling an underwater salamander. This particular species, Hemiscyllium halmahera, stands out due to its unique coloration. Its brown body is adorned with dark, geometric spots that set it apart from its relatives. Even more intriguing to scientists is the epaulette’s bold, unshy nature. If such a conspicuous fish can go unnoticed for so long, it fuels the excitement of discovering more species in the Indonesian reefs.
8. Olinguito
New mammals are an exceedingly rare discovery, and finding a carnivorous one in the Western Hemisphere is even more exceptional. The last such discovery occurred in 2010 when a mongoose-like species was found in Madagascar. Before that, a Colombian weasel was identified in 1978. Clearly, it’s a significant event. Adding to the excitement, this species is incredibly diverse, with scientists suggesting there could be up to four different subspecies. Kristofer Helgen, the researcher who made the discovery, believes this might be the last time in history such an event will take place.
The newly discovered animal, known as the olinguito, inhabits the cloud forests of the Andes in Ecuador and Colombia. Its name is derived from its larger relatives, the olingos, with the Spanish suffix “-ito,” meaning “little,” added to reflect its smaller size. The olinguito is nearly identical to the olingo, to the point that it has been mistakenly classified as the same species for many years.
Due to its hidden and isolated environment, it was incredibly challenging for explorers to spot these tiny creatures in the thick mist of the upper rainforests. While they share a name with olingos, the olinguito should not be confused with them. The olinguito shares only about 90 percent of its DNA with the olingo, whereas humans share about 95 percent of their DNA with chimpanzees.
7. Spiny Boki Mekot Rat
It is a widely accepted theory that modern mammals evolved from rodent-like creatures that existed millions of years ago. Now, in the same region where Charles Darwin and Alfred Russel Wallace first developed their theory of evolution, a new rodent species has been discovered. Russel believed that in the mountainous areas of Halmahera in the Moluccas, a distinct line existed that marked two separate evolutionary paths: one leading to Australasian species and the other to Asian-origin creatures.
The new species, a small rodent with coarse brownish-grey fur and a white underbelly, represents an entirely new genus for the region. This discovery reinforces Wallace’s original theory exactly 100 years after his death. Preliminary studies suggest that the rat is omnivorous and displays DNA characteristics typical of animals that migrated westward through Asia.
6. Oreophryne
Papua New Guinea is a hotspot for evolutionary breakthroughs. The world’s smallest vertebrate was recently found in the form of the Paedophryne amauensis frog species. Additionally, three new frogs – Oreophryne cameroni, Oreophryne parkopanorum, and Oreophryne gagneorum – have been discovered, bringing the total number of species in this genus to seven, with each measuring only 20 millimeters (0.8 in).
Estimates suggest that at least a dozen more species are waiting to be discovered in the region, as large portions of this terrain remain unexplored. Beyond the discovery of a single new species, an entire new ecosystem is being revealed.
5. Lyre Sponge
The lyre sponge (Chondrocladia lyra), also known as the harp sponge due to its harp-like shape, is an unusual and somewhat unsettling creature. It showcases just how far nature will go to survive in the harshest environments, and few places are more extreme than 3,000 meters (10,000 ft) beneath the ocean's surface.
The lyre sponge is a candelabra-shaped, carnivorous organism that anchors itself to the ocean floor. Long, finger-like extensions extend from its veins, ranging from two to six in number. These 'fingers' are armed with small barbs that trap passing fish, which are then encased in a membrane and digested. To make things even stranger, bulbs at the tips of these extensions contain sperm packets that are released into the current and absorbed by nearby sponges, causing them to swell once fertilized. It has been less than 20 years since carnivorous sponges were first discovered, and new species are continuously being uncovered.
4. Carolina Hammerhead
The Carolina hammerhead, named after the region where it was first discovered, was identified in 2006 but remained unnamed for years. What sets this shark apart from the nearly identical scalloped hammerhead is its number of vertebrae. The Carolina hammerhead has about 10 fewer vertebrae than its cousin. Despite their similar appearance, the DNA of these two species is significantly different.
The long delay in officially naming the shark is not out of the ordinary. The first mention of the new shark dates back to 1967, and over the course of four decades, it has developed into the discovery of a distinct species. These sharks are believed to inhabit oceans worldwide, yet they remain difficult to identify due to the still largely unknown migration patterns of hammerheads. The 56 samples used to classify the Carolina hammerhead were gathered from the waters off South Carolina in the Charleston/Beaufort region.
3. Tiger Spider
For anyone with even a slight fear of spiders, Sri Lanka’s jungles may already be on your list of places to steer clear of. Recently, a new and large addition to that list has been made. A newly discovered species of tarantula, Poecilotheria rajaei, has earned the nickname 'face-sized,' with a span of approximately 20 centimeters (8 inches).
Redefining what it means to be unsettling, this tarantula is notable for the striking grey and yellow stripes along its legs and body. The giant spiders favor mature trees but have increasingly moved into abandoned buildings due to deforestation. In the process of identifying the species, a police detective was called in to help track down the creatures, many of which were located inside a local hospital.
2. North Atlantic Killer Whale
This addition to the list may represent a case of evolution unfolding before our eyes. There are currently three recognized types of killer whales. This newly proposed fourth species has been observed in the southern Indian Ocean. It is thought that this whale may actually be the same as the stranded orca discovered on a New Zealand beach in 1955.
Recent research suggests that the killer whale population underwent a divergence nearly 400,000 years ago. The key differences that define this new proposed species are behavioral patterns, feeding habits, and genetic variations. The new species is characterized by distinct markings, including a smaller white eye-patch and a bulbous head.
1. Cambodian Tailorbird
The tailorbird offers a remarkable example of two previously mentioned points: it is exceedingly rare to discover a new species under such circumstances, and it is not always necessary to venture deep into dense tropical forests to find previously unknown creatures.
The Cambodian tailorbird (Orthotomus chaktomuk) was found in the heart of Phnom Penh, even within a road construction zone. The name 'Tailorbird' comes from their impressive ability to intricately weave leaves to construct their nests. After further investigation of the bird’s feathers, DNA, and songs, it became clear that a new species had been identified. This discovery offers hope to scientists investigating familiar areas for overlooked species. Due to their rarity, the Cambodian tailorbird has been suggested for inclusion on the Near Threatened list.
