The Tapanuli orangutan is a recently discovered primate species, considered one of the rarest and most endangered in the world. It measures about 1.2 meters in height and weighs between 30 and 60 kg. This ape has a shiny reddish coat, with long arms adapted to its life in the trees. Native to the mountains of the Tapanuli region in northern Sumatra, Indonesia, this orangutan primarily inhabits montane tropical forests. It feeds mainly on fruits, leaves, and bark. The Tapanuli orangutan is a solitary and secretive animal and is considered critically endangered due to deforestation, mining, human conflict, and forest fires.

The klipspringer is a small African antelope known for its agility on rocky terrains. Standing about 50 cm at the shoulder and weighing between 8 and 18 kg, it has a dense, coarse coat, often brownish-grey, which helps it blend into its surroundings. Its hooves are adapted to grip rocky surfaces, allowing it to move easily across cliffs and escarpments. Klipspringers typically live in pairs or small family groups and are highly territorial. They primarily feed on leaves, fruits, and flowers and can survive without water for extended periods, deriving necessary moisture from their diet.

The Moose is a large deer found primarily in North America, particularly in coniferous forests and wetlands. It can reach up to 2 meters in height at the withers and weigh between 350 and 600 kg. Males are distinguished by their large antler racks, which can reach a span of 1.8 meters. Their coat is typically dark brown to black, with a lighter belly and a small mane of hair under the neck. The Moose is a herbivore, feeding mainly on leaves, branches, bark, fruits, and aquatic plants. It is an excellent swimmer and spends a great deal of its time feeding in lakes and rivers. While its population remains stable, it is threatened by habitat loss and hunting.

The Platypus is a unique aquatic mammal native to Australia and Tasmania. It measures between 40 and 60 cm in length and weighs around 1 to 2.5 kg. This animal is particularly remarkable due to its appearance, which combines characteristics of different animals: it has a flat bill similar to a duck's, webbed feet adapted for swimming, and a flat tail. The Platypus is a carnivore, primarily feeding on small aquatic invertebrates, worms, and crustaceans. It lives in rivers and lakes, spending much of its time diving underwater in search of food. Although it is an excellent swimmer, the Platypus is also capable of moving quickly on land. This species is listed as "near threatened" due to habitat loss and water pollution.

The Orca, also known as the "killer whale," is a large cetacean from the dolphin family, measuring between 6 and 8 meters in length and weighing up to 6 tons. It is distinguished by its striking black and white coloration, with white patches around the eyes and on the flanks. The Orca is a top predator in the food chain, primarily feeding on fish, marine mammals, sharks, and sometimes even whales. It lives in social groups called "pods," led by the dominant female, where cooperation and hunting strategies are essential. The Orca is found in all oceans around the world, but it prefers cold and temperate waters. While its population remains relatively stable, the Orca is threatened by pollution, a decline in prey, and human-caused disturbances.

Native to the savannas and forests of sub-Saharan Africa, the Aardvark is a nocturnal mammal that primarily feeds on termites and ants. It has a long sticky tongue which it uses to extract insects from their burrows. This mammal is easily recognizable by its large ears, elongated snout, and sturdy limbs. Although relatively discreet, the Aardvark is threatened by habitat loss and poaching.

The Scimitar oryx, also known as the Sahara oryx, is a medium-sized antelope distinguished by its long, backward-curving horns and white coat with brown markings on the face and neck. Native to the desert and semi-desert regions of North Africa, this species is well adapted to arid environments. It can survive without water for extended periods, obtaining necessary moisture from its food. Unfortunately, the scimitar oryx is classified as extinct in the wild, primarily due to excessive hunting and habitat loss. Reintroduction efforts are underway in some areas to restore viable populations.

The Beisa Oryx is a large antelope found primarily in the arid and semi-desert regions of East Africa, particularly in Somalia, Ethiopia, and Kenya. It stands between 1.2 and 1.5 meters at the shoulder and weighs around 100 to 150 kg. The Beisa Oryx is easily recognized by its long, straight horns, which can reach up to 1 meter in length. Its coat is sandy-colored, with black markings on the flanks, legs, and around the eyes, helping it blend into its desert environment. This herbivore feeds primarily on bushes, grasses, and succulent plants. Although the Beisa Oryx is capable of tolerating extremely high temperatures, it is also well adapted to cover large distances in search of food and water. This species is currently listed as "near threatened" due to habitat loss and hunting.

The Fur Seal, also known as the hair seal, is a marine mammal primarily found along the coasts of the Southern Hemisphere, particularly in Australia, South Africa, and subantarctic islands. It measures between 1.5 and 2.5 meters in length and weighs between 200 and 350 kg. Its dense and waterproof fur, which gives it its name, consists of short, soft hairs covering a layer of subcutaneous fat that insulates it from the cold. The Fur Seal is an excellent swimmer, capable of diving to significant depths to feed on fish, cephalopods, and crustaceans. It lives in colonies, forming strong social groups, especially during the breeding season. While the population of fur seals remains relatively stable, this species is threatened by hunting, habitat loss, and ocean pollution.

The Arctocephalus forsteri, commonly known as the New Zealand fur seal, is a marine mammal species belonging to the Otariidae family. These seals are primarily found around the coasts of New Zealand and parts of Australia. They are distinguished by their dense, waterproof fur, which protects them from cold waters. Males are significantly larger than females, reaching up to 2.5 meters in length and weighing around 180 kg, while females measure about 1.5 meters and weigh up to 50 kg. These animals are known for their agility in the water, where they primarily hunt fish and cephalopods. On land, they gather in colonies, especially during the breeding season.

The Northern fur seal, Callorhinus ursinus, is a marine mammal belonging to the Otariidae family. It is distinguished by its thick fur, which allows it to withstand the cold waters of the North Pacific. Males are significantly larger than females, reaching up to 2.1 meters in length and weighing around 270 kg, while females measure about 1.4 meters and weigh 50 kg. These seals are known for their gregarious behavior, forming large colonies on rocky islands to breed. They primarily feed on fish and squid, which they capture during dives that can reach depths of 200 meters.

The Andean Bear, also known as the spectacled bear, is a large mammal found primarily in the tropical forests and mountains of South America, particularly in Colombia, Venezuela, Ecuador, and Peru. It measures about 1.5 to 2 meters in length and weighs between 100 and 200 kg. Its coat is generally black, with white or cream markings around its eyes in the shape of spectacles, hence its name. The Andean Bear is an omnivore, primarily feeding on fruits, plants, honey, and insects, but it may also eat small mammals or birds. It is an excellent climber, using its powerful claws to move through trees in search of food. Although its population remains stable in some areas, the Andean Bear is threatened by habitat loss, deforestation, and poaching.

The Brown Bear is one of the largest terrestrial carnivores, measuring between 1.5 and 2.5 meters in length and weighing between 100 and 800 kg, depending on the subspecies and habitat conditions. Its coat ranges from light brown to dark brown, and it is often denser during the winter. The Brown Bear primarily lives in forests, mountains, and Arctic regions, but can also be found in tundra and prairie areas. It is omnivorous, feeding on fruits, roots, small mammals, fish, and even carrion. The Brown Bear is also an excellent swimmer and climber. Due to hunting, habitat loss, and conflicts with humans, some subspecies of Brown Bears are threatened or endangered.

The Ursus arctos isabellinus, commonly known as the Himalayan brown bear, is a subspecies of the brown bear found primarily in the mountainous regions of the Himalayas. These bears are large, with thick fur that ranges from light brown to dark brown, sometimes with reddish hues. They are omnivorous, feeding on plants, insects, and small mammals. Their natural habitat includes alpine meadows and subalpine forests. Due to hunting and habitat loss, their population is declining, making them vulnerable. They are solitary except during the breeding season and when a mother is raising her cubs.

The Ursus arctos syriacus, or Syrian brown bear, is a subspecies of the brown bear found mainly in the mountainous regions of the Middle East. Medium-sized, it has a light brown to beige coat, often paler than its European relatives. This bear is omnivorous, feeding on plants, fruits, insects, and occasionally small mammals. Although generally solitary, it can be seen in groups when food is abundant. Its population is declining due to habitat loss and hunting. Protecting this animal is crucial to maintaining the ecological balance of its environment.

The Kermode Bear, also known as the "spirit bear" or "white-furred bear," is a rare subspecies of the American Black Bear. It measures between 1.2 and 1.8 meters in length and weighs between 70 and 250 kg. What particularly distinguishes the Kermode Bear is its coat, which can vary from black to creamy white, although the majority of these bears have black fur. This subspecies primarily lives in the humid forests of British Columbia, Canada, and feeds mainly on fruits, berries, fish, and small mammals. The Kermode Bear is typically solitary and inhabits remote areas. Although it is relatively rare, it is not considered to be in immediate danger, though it faces threats from habitat loss and other human-related activities.

The Sloth Bear, also known as the lip bear, is a large carnivorous mammal primarily found in the tropical and subtropical forests of India, Sri Lanka, Bangladesh, and Myanmar. It measures about 1.4 to 1.8 meters in length and weighs between 50 and 150 kg. What particularly distinguishes the Sloth Bear is its face, which has highly mobile lips and long fur around the mouth, giving it its name. Its coat is generally black with white markings on the chest and throat, forming a sort of crescent shape. The Sloth Bear is an omnivore, feeding on fruits, honey, insects, roots, and small animals. Although it is primarily terrestrial, it is also capable of climbing trees. Due to habitat loss and poaching, this species is currently listed as vulnerable.

The Malayan bear is the smallest of the bears, characterized by its small size, black fur, and a light-colored fur collar around its neck. It primarily lives in the tropical forests of Southeast Asia, where it feeds on fruits, honey, and insects. This animal is rather discreet, nocturnal, and semi-arboreal, often seen in trees looking for food. Although protected, the Malayan bear faces serious threats such as deforestation and illegal hunting.

The American Black Bear is a large carnivore primarily found in North America, in forests, mountains, and wooded areas. It measures between 1.5 and 2.5 meters in length and weighs between 45 and 250 kg, depending on the subspecies and habitat conditions. Its coat ranges from black to light brown, and it has a short muzzle and a large head. The Black Bear is an omnivore, primarily feeding on fruits, berries, nuts, roots, fish, small mammals, and sometimes carrion. It is also an excellent climber and a skilled swimmer, capable of moving through trees and crossing rivers in search of food. While its population remains relatively stable, the Black Bear is threatened by habitat loss, vehicle collisions, and hunting.

The Asiatic Black Bear, also known as the Tibetan Bear, is a medium-sized mammal found primarily in the mountains of Central Asia, the Indian subcontinent, China, and Russia. It measures between 1.2 and 1.8 meters in length and weighs between 60 and 200 kg. Its coat is typically black, with a distinctive white "V"-shaped mark on its chest. The Asiatic Black Bear is an omnivore, feeding on fruits, berries, roots, small animals, insects, and occasionally carrion. It is an excellent climber and spends much of its time in trees, where it feeds and rests. While the Asiatic Black Bear remains relatively common in some regions, it faces numerous threats such as habitat loss, illegal hunting, and poaching for its body parts.

The Polar Bear is one of the largest land carnivores, measuring between 2 and 3 meters in length and weighing between 350 and 700 kg, depending on habitat conditions and the season. It is perfectly adapted to the icy conditions of the Arctic, with dense, waterproof fur that protects it from the cold, as well as a layer of subcutaneous fat that helps it survive in extreme temperatures. Its coat is typically white or cream, allowing it to blend in with the snow and ice. The Polar Bear is an excellent swimmer and primarily feeds on seals, which it hunts by patiently waiting near breathing holes or swimming under the ice. However, the Polar Bear faces growing threats due to climate change, which is shrinking its ice habitat and affecting its ability to hunt.

The lowland paca, or Cuniculus paca, is a medium-sized rodent native to the tropical forests of Central and South America. It is easily identifiable by its brown fur with distinct white spots on its sides. Pacas are nocturnal animals that spend the day in burrows dug near water bodies. They are herbivores, primarily feeding on fruits, seeds, and leaves. Their behavior is generally suspicious, making them difficult to observe in the wild. Pacas play a crucial role in seed dispersal, aiding forest regeneration. Their population is stable, although they are sometimes hunted for their meat.

The Giant Panda is a large mammal native to the mountains of China, primarily found in the regions of Sichuan, Shaanxi, and Gansu. It measures between 1.2 and 1.8 meters in length and weighs between 70 and 160 kg. What distinguishes it is its black and white coat, with black patches around its eyes, ears, and paws. The Giant Panda is a strict herbivore, feeding almost exclusively on bamboo, although it may occasionally eat fruits, roots, and small animals. It lives in bamboo forests, where it spends most of its day feeding due to the low nutritional value of its diet. The Giant Panda is a symbol of conservation due to its rarity, and although it is still considered vulnerable, conservation efforts have helped stabilize its population.

The Red Panda, also known as the Lesser Panda, is a small mammal native to the mountains of the Himalayas and southern China. It measures between 50 and 65 cm in length, with a bushy tail of 30 to 50 cm, and weighs between 3 and 6 kg. Its coat is predominantly reddish, with white patches around the eyes, ears, and muzzle. The Red Panda is primarily arboreal, living in temperate and mountainous forests, where it feeds on bamboo, fruits, berries, roots, and occasionally insects. Although it is an excellent climber, it is also active on the ground. The Red Panda is a vulnerable species, primarily threatened by habitat loss, deforestation, and illegal hunting.

The tree pangolin, or Manis tricuspis, is a medium-sized, nocturnal insectivorous mammal found in the tropical forests of Central and West Africa. It is easily recognizable by its protective scales made of keratin, the same substance as human nails. This pangolin is an agile climber, using its prehensile tail to navigate trees in search of ants and termites, its primary food source. Unfortunately, it is threatened by poaching for its meat and scales, which are highly valued in traditional medicine. Conservation efforts are crucial to maintaining the ecological balance of its natural habitat.

The Small-scaled Pangolin is an insectivorous mammal found primarily in Central and West Africa, notably in Cameroon, Gabon, and the Republic of Congo. It measures about 50 to 80 cm in length, with a tail that can reach half its body size, and weighs between 5 and 7 kg. Its body is covered with small, hard scales made of keratin, which protect it from predators. When threatened, the Pangolin curls into a ball, exposing only its scales. It primarily feeds on ants, termites, and larvae, which it captures with its long tongue. Although the Pangolin is an excellent burrower, it is vulnerable due to intensive poaching for its scales and habitat loss. It is currently listed as "vulnerable" by the IUCN.

The Chinese pangolin is a small insectivorous mammal known for its body covered with scale-like plates. Native to China and Southeast Asia, it primarily feeds on ants and termites, which it digs up using its powerful claws. It is an excellent climber, often observed in trees where it seeks shelter from predators. Due to illegal hunting and habitat loss, the Chinese pangolin is critically endangered.

The Javan Pangolin, also known as the Malayan Pangolin, is a mammal species native to Southeast Asia. It is easily recognized by its body covered with large keratin scales, which protect it from predators. This nocturnal and solitary animal primarily feeds on ants and termites, which it captures with its long, sticky tongue. The Javan Pangolin is an endangered species, mainly due to habitat loss and poaching for its scales and meat. This pangolin is an excellent burrower, digging dens and hides for protection.

The Temminck's Pangolin is a small insectivorous mammal found primarily in Sub-Saharan Africa, notably in South Africa, Botswana, Namibia, and Zimbabwe. It measures about 50 to 60 cm in length, with a tail that makes up a significant portion of its size, and weighs between 3 and 7 kg. This pangolin is covered with large scales made of keratin, which protect it from predators. When threatened, it curls into a ball with its scales rolled outward. It primarily feeds on termites and other insects, which it captures with its long, sticky tongue. Although the Temminck's Pangolin is an excellent burrower, it is unfortunately threatened by poaching for its scales and by habitat loss.

The Giant Pangolin is the largest of the pangolin species, measuring between 1.2 and 1.5 meters in length, with a tail that can account for up to half of its total length. It weighs between 30 and 40 kg. This mammal, covered in large keratin scales, primarily lives in the forests of Central Africa, particularly in the Democratic Republic of the Congo and the Republic of the Congo. It is an excellent burrower and primarily feeds on termites and other insects, which it captures with its long tongue. The Giant Pangolin is a nocturnal and solitary species, using its powerful claws to dig burrows or open insect nests. Although its population is not well-known, the Giant Pangolin is threatened by deforestation, illegal hunting, and poaching for its scales, making it a vulnerable species.