 
 
          Key PointsNames: Gooty sapphire tarantula / Peacock tarantula; scientific name P···
 
 
          Key TakeawaysQuetzals are jewel-toned trogons from Central & South America; ···
 
 
          Tenrecs are mammals in the family Tenrecidae whose outward appearance often rese···
 
 
          Key TakeawaysStatus: Critically Endangered (CR); best estimates put fewer than 1···
 
 
          Key Points (Quick Read)Status: Critically Endangered; most recent estimates put ···
 
 
          At a GlanceWho it is: The Sunda tiger—better known as the Sumatran tiger (Panth···
 
 
          Key TakeawaysCritically endangered: Fewer than 1,000 are thought to remain in th···
 
 
          Ostriches (genus Struthio) in the family Struthionidae are the largest living bi···
 
 
          Across the globe, there are thousands of wasp species — from harmless honeybees···
 
 
          Deinosuchus (“terrible crocodile”) was a colossal crocodylian within the Allig···
 
 
          Earth hosts more than 7.7 million animal species, and over 20% face extinction. ···
 
 
          Nature is not only magnificent and mysterious, but also full of joy and warmth. ···
 
 
          Famous for their "praying" front legs and lightning-fast predation, pr···
 
 
          Insects inhabit nearly every corner of our planet. They are the most numerous cr···
 
 
          When it comes to aquariums, many ocean-lovers ask: Is there truly a “good” aqu···
 
 
          According to the International Union for Conservation of Nature (IUCN), a specie···
 
 
          Many animal species are now endangered or in a state of severe vulnerability—in···
 
 
          Sharks are often called the kings of the ocean, but there are many other fish—s···
 
 
          Seals (Phocidae) are marine mammals, like whales, dolphins, porpoises, walruses,···
 
 
          Like many other species of flora and fauna, a significant number of mammals are ···
 
 
          In the insect world, there are many species that look alike and can easily be co···
 
 
          The red panda (Ailurus fulgens), also known as the lesser panda, fire fox, or re···
 
 
          Leopards, cheetahs, and jaguars are three of the most iconic big cats. At first ···
 
 
          Mexico, located in North America, covers more than 1.96 million km² of territor···
 
 
          Do you know which living species is the closest relative of the giraffe? The ans···
 
 
          You’ve probably heard of the dodo bird, a now-extinct species that today can on···
 
 
          The mammoth, a giant mastodon that roamed the Earth during the Ice Age, is one o···
 
 
          When we talk about “animals” and “vertebrates,” many people confuse the two ···
 
 
          When we think of ecosystems with great natural richness, lush jungles and dense ···
 
 
          Dinosaurs were the largest reptiles that ever lived on Earth. They are considere···
 
 
          The Iberian lynx, spur-thighed tortoise, Mediterranean tortoise, black stork, Ib···
 
 
          When we hear the name saber-toothed cat (often popularly called the saber-toothe···
 
 
          “Which animal has the most teeth in the world?” This question is both a popula···
 
 
          In the animal kingdom, invertebrates are often the most misunderstood group. Man···
 
 
          Among all the creatures that have ever lived in Earth’s oceans, few inspire as ···
 
 
          We often use the word “vulture” or “scavenger” in everyday language with a n···
 
 
          The Latin phrase “Homo homini lupus est”, popularized by philosopher Thomas Ho···
 
 
          Usain Bolt, the world record–holding sprinter, has been clocked at nearly 45 km···
 
 
          Although it may seem surprising given the number of predators that exist on our ···
 
 
          Forests are one of the most vital components of Earth’s biosphere, and temperat···