The Asiatic cheetah, or Iranian cheetah, is a rare subspecies of cheetah primarily found in Iran. It is distinguished by its tawny coat with black spots and its slender, speed-adapted body. This feline is a symbol of Iranian wildlife but is critically endangered due to habitat loss, hunting, and a decrease in natural prey. Conservation efforts focus on habitat protection and raising awareness among local communities. The Asiatic cheetah is a diurnal hunter, using its incredible speed to catch prey such as gazelles and hares.

The Saharan cheetah, or Acinonyx jubatus hecki, is a rare subspecies of cheetah found mainly in the desert regions of the Sahara. It is distinguished by its pale coat and less pronounced spots, making it well-suited to its arid environment. This feline is an agile and fast predator, capable of reaching impressive speeds to catch its prey. Unfortunately, it is critically endangered due to habitat loss, hunting, and the decline of its natural prey. Conservation efforts are crucial for its survival. Solitary by nature, the Saharan cheetah is primarily active during the cooler hours of the morning and evening, avoiding the intense desert heat.

The Bullock's Bee-eater, or Merops bullocki, is a colorful and fascinating bird belonging to the Meropidae family. This bee-eater is distinguished by its vibrant plumage, combining shades of green, blue, and yellow, with an often orange throat. It is mainly observed in wooded regions and open savannas of sub-Saharan Africa. This bird is known for its specialized feeding habits, primarily consuming flying insects, particularly bees and wasps, which it captures in flight with its aerial hunting techniques. The Bullock's Bee-eater is a social bird, often seen in small groups, and is renowned for its spectacular courtship displays. Although not considered threatened, deforestation and habitat loss could affect its populations in the long term.

The Northern Carmine Bee-eater, Merops nubicus, is a striking bird with vibrant colors, primarily carmine red with blue-green wings and tail. Known for its graceful flight, it skillfully catches insects mid-air, particularly bees and wasps. This sociable bird lives in colonies along rivers and lakes in sub-Saharan Africa, digging burrows in sandy banks for nesting. It is a partial migrant, moving seasonally to follow prey availability. Although its habitat is threatened by human activity, it is currently listed as Least Concern by the IUCN.

The European Bee-eater is a small, colorful bird, easily recognizable by its vibrant plumage, which features a combination of bright colors, mainly blue, green, yellow, and orange. It measures about 28 to 30 cm in length, with a wingspan of 40 to 45 cm, and weighs between 30 and 40 g. Its beak is long and pointed, perfectly adapted to catching insects in flight, primarily wasps, bees, and other flying insects. The European Bee-eater primarily inhabits open areas, grasslands, forest edges, and steppes in Europe, as well as North Africa and Western Asia. It is migratory and mostly travels to sub-Saharan Africa for the winter. This small bird lives in colonies, and its nests are often dug into cliffs or riverbanks. The European Bee-eater is known for its swift flights and acrobatic behavior while capturing its prey. Although the species is not endangered, it may be threatened by habitat loss and human disturbances, such as the degradation of natural habitats.

The Blue-cheeked Bee-eater, or Merops persicus, is a strikingly colorful bird known for its vivid green plumage, blue throat, and distinctive black eye stripe. Measuring about 28 to 30 cm in length, it features long, pointed wings and a forked tail. This migratory bird primarily feeds on flying insects, especially bees, wasps, and dragonflies, which it catches in flight with remarkable agility. It inhabits open areas, savannas, and riverbanks, often seen in groups. During the breeding season, it digs burrows in sandy banks for nesting. The Blue-cheeked Bee-eater is a fascinating sight for birdwatchers and nature enthusiasts.

The Southern Carmine Bee-eater, Merops nubicoides, is a vibrant and captivating bird found primarily in southern Africa. It is distinguished by its bright red plumage, turquoise head, and long, tapered tail. This bee-eater is about 35 cm long, with a slightly curved black bill, perfect for catching insects in flight. It frequents sandy riverbanks and open savannas, where it digs burrows for nesting. Sociable by nature, it lives in colonies and feeds mainly on bees and wasps, which it catches in mid-air. Its flight is fast and agile, often accompanied by high-pitched calls. This beautiful bird is a delight to watch, especially during its courtship displays.

The Little Bee-eater, Merops pusillus, is a vibrant and fascinating bird, easily recognizable by its bright green plumage, yellow throat, and distinctive black eye stripe. Measuring about 15 to 17 cm in length, it is one of the smallest members of its family. It primarily inhabits savannas, open woodlands, and riverine areas in sub-Saharan Africa. The Little Bee-eater is an agile predator, feeding mainly on flying insects, especially bees and wasps, which it catches in flight. It is often seen in small groups, perched on low branches, from where it launches to catch its prey. Although relatively tolerant of human presence, it remains cautious and prefers to keep its distance.

The Hartebeest is a medium-sized antelope, easily recognizable by its large lyre-shaped horns and distinctive coat. It stands about 1.1 to 1.3 meters tall at the shoulder, with a weight ranging from 90 to 150 kg. Its coat is generally reddish-brown, with characteristic white markings on the belly, legs, and around the eyes, and a darker coat on the back. The Hartebeest primarily inhabits savannas, grasslands, and grassy areas in East and Southern Africa, notably in Kenya, Tanzania, South Africa, and Namibia. Herbivorous, it primarily feeds on grasses, leaves, and young shoots. It lives in social groups, usually composed of females and young, while adult males often live alone or in small groups. While the Hartebeest is not currently endangered, it faces threats such as habitat loss, hunting, and disease.

The bushbuck, or Tragelaphus scriptus, is a small African antelope known for its brown coat adorned with white stripes and spots. Males have spiral horns, while females do not. This mammal is primarily nocturnal and crepuscular, favoring dense forests and bushy areas where it can hide from predators. It is solitary, although females may be seen with their young. The bushbuck is an herbivore, feeding on leaves, fruits, and young shoots. Its ability to remain still and silent makes it a challenging animal to observe in its natural habitat.

The White-winged Tern, Chlidonias leucopterus, is an elegant bird from the Laridae family, recognizable by its white wings contrasting with its black body during the breeding season. It primarily inhabits wetlands, marshes, and lakes, where it feeds on insects and small fish. This migratory bird is found in Eastern Europe and Asia during the breeding season, before migrating to Africa and South Asia for the winter. Its population is generally stable, although threats such as habitat destruction and pollution can affect it locally. The White-winged Tern is a fascinating bird to observe, especially during its aerial acrobatics over water bodies.

The black tern is a small tern of 23–26 cm with contrasting black and white breeding plumage and a slender body. It inhabits freshwater wetlands, marshes and shallow lakes, feeding on insects and small fish caught in flight by pattering over the water surface. During breeding, it nests on floating vegetation, lays 2–4 eggs and defends its territory with swift aerial displays and sharp calls.

The Black Guillemot is a medium-sized seabird, measuring between 32 and 38 cm in length with a wingspan of 49 to 58 cm. In breeding plumage, it has a black body with a large white wing patch, bright red feet, and a red interior to its bill. In winter, its plumage becomes paler, with a light grey back and head and white underparts. It inhabits rocky coasts of the North Atlantic and Arctic, nesting in crevices of cliffs or under rocks. Its diet mainly consists of fish, crustaceans, and mollusks, which it captures by diving up to 50 meters deep. Although listed as Least Concern by the IUCN, it is sensitive to marine pollution and predation by introduced species.

The Thick-billed Murre, or Uria lomvia, is a robust seabird found in the cold waters of the Arctic and subarctic regions. It is identifiable by its distinctive black and white plumage, with a black back and white belly, as well as its thick, short bill. This bird is an excellent diver, capable of reaching impressive depths to catch fish and crustaceans, which make up the bulk of its diet. Breeding colonies are typically located on steep cliffs, where the birds nest in large groups to protect themselves from predators. Although currently listed as Least Concern by the IUCN, the Thick-billed Murre is vulnerable to climate change and marine pollution, which threaten its natural habitat.

The Common Guillemot is a seabird characterized by its black and white plumage, and its streamlined body which allows it to swim with agility. It measures about 40 to 45 cm in length and weighs between 500 and 700 g. Its head is black with sharp white eyes, and its wings are short and pointed, suited for diving. The Common Guillemot primarily lives on coastal cliffs, where it nests in very dense colonies, often on inaccessible sites. It is found mainly in Northern Europe, particularly in Scandinavia, the United Kingdom, and Iceland, but also along the coasts of the North Atlantic. The Common Guillemot is an excellent diver, primarily feeding on fish, particularly small herring and capelin, which it catches by diving underwater in search of prey. While the species is not endangered, it is vulnerable to marine pollution, climate change, and disruption of its breeding sites.

The Cyanerpes lucidus, or Shining Honeycreeper, is a small tropical bird with vibrant colors, primarily blue with black wings and a slender, curved beak. This nectarivore primarily feeds on nectar but also consumes fruits and insects. It is found in the humid forests and forest edges of Central America, from southern Mexico to Panama. Males display a striking blue plumage, while females are more subdued in green. Their behavior is generally active and social, often seen in small groups. They play a crucial role in pollinating tropical plants.

The Red-legged Honeycreeper, Cyanerpes cyaneus, is a small, vibrantly colored tropical bird, primarily electric blue with black wings and red legs. It is commonly found in the humid forests and wooded areas of Central and South America. This nectarivore feeds mainly on nectar but also consumes fruits and insects. Males display a striking plumage, while females are generally olive green with bluish hues. The Red-legged Honeycreeper is a social bird, often seen in small groups, and is known for its aerial acrobatics when feeding. Its breeding season varies by region but is generally active year-round in tropical areas.

The Bearded Vulture is a large vulture, easily recognizable by its distinctive head, large wings, and brown and white plumage. It measures about 1.1 to 1.3 meters in length, with a wingspan of 2.6 to 2.8 meters, and weighs between 4.5 and 7.5 kg. Its head is covered with dark feathers, while its wings and back are mainly brown, with lighter feathers on its belly. The Bearded Vulture is unique among vultures for its feeding behavior, as it primarily feeds on bones. It is capable of breaking the hardest bones by dropping them from great heights to shatter them, allowing it to access the bone marrow. It primarily inhabits mountains, notably the Alps, the Pyrenees, and the Himalayas, where it also feeds on carcasses of dead animals, such as chamois or mouflons. Although the species was once endangered, conservation efforts have helped restore its population in certain areas. However, the Bearded Vulture remains vulnerable to human disturbance, habitat loss, and the decline of its natural prey.

The hamadryas baboon, also known as the sacred baboon, is a primate species distinguished by its silver fur and the impressive mane of the males. Native to the Horn of Africa and parts of the Arabian Peninsula, it lives in complex social groups. Dominant males lead harems consisting of several females and their offspring. These baboons are diurnal and spend most of their time foraging for food, primarily fruits, seeds, and insects. Their natural habitat includes savannas, arid steppes, and rocky areas. Although they can survive in harsh environments, their population is threatened by habitat loss and hunting.

The Common Eider is a medium-sized seabird, easily recognizable by its distinctive plumage and diving behavior. It measures about 40 cm in length, with a wingspan of 65 to 75 cm, and weighs between 500 and 900 g. Its plumage is primarily black and white, with a black head, a wide white band around the neck, and white spots on the wings. The male, during the breeding season, has a bright orange beak and a distinctive white line running from the beak to the back of the head. The Common Eider primarily inhabits the cold waters of the North Atlantic, notably around the coasts of Iceland, Greenland, Canada, and Northern Europe. It is an excellent diver, feeding mainly on small fish, crustaceans, and marine invertebrates, which it captures underwater. The Common Eider migrates southward during the winter. Although the species is not currently endangered, it is vulnerable to marine pollution, climate change, and disturbance of its breeding sites.

The Snowy Owl is a large nocturnal raptor, easily recognizable by its pure white plumage, speckled with dark spots on its back and wings. It measures about 55 to 65 cm in length, with a wingspan of 1.3 to 1.5 meters, and weighs between 1.5 and 2.5 kg. Its head is round, with large, piercing yellow eyes and a short, hooked beak. The Snowy Owl primarily inhabits the Arctic regions, notably in Canada, Alaska, Scandinavia, and Russia, where it frequents tundras and snowy landscapes. It primarily feeds on small mammals, such as lemmings, but also hunts birds and occasionally fish. This raptor is an excellent hunter, capable of spotting its prey with its keen vision, even in low light conditions. Although the Snowy Owl is not currently endangered, it is sensitive to climate change and the loss of its natural habitat.

The Common Merganser is a large diving duck measuring between 58 and 71 cm in length, with a wingspan of 82 to 97 cm. The male features a dark green iridescent head, white body, and black back, while the female has a reddish-brown crested head and light gray body. This duck is characterized by its long, slender red bill with serrated edges, ideal for catching slippery fish. It inhabits clear-water rivers and lakes in forested regions of Europe, Asia, and North America. Nesting in tree cavities or cliff crevices, it lays between 6 and 17 eggs per season. Its diet mainly consists of fish, but also includes amphibians, crustaceans, and aquatic insects. Although listed as Least Concern, habitat loss can locally impact its populations.

The Hooded Merganser is a medium-sized duck, easily recognizable by its distinctive crest and vibrant colors. It measures about 40 to 50 cm in length, with a wingspan of 60 to 70 cm, and weighs between 400 and 700 g. The male, during the breeding season, has a black and white head with an impressive crest of white feathers on top. Its plumage is mainly black and white, with shades of brown and green, and it has a short, wide beak adapted for feeding on fish, crustaceans, and aquatic invertebrates. The female, on the other hand, is more subtle, with light brown plumage and a less prominent crest. The Hooded Merganser primarily inhabits North America, particularly in the northeastern United States, where it frequents lakes, rivers, and wetland areas. It is an excellent diver, capable of diving underwater to capture its prey. Although the species is not in immediate danger, it is vulnerable to habitat loss and water pollution.

The Red-breasted Merganser is a slender diving duck, measuring about 52 to 58 cm in length with a wingspan of 67 to 82 cm. The male features a dark green head with a shaggy crest, a white collar, a rusty speckled chest, and a thin red bill. The female has a reddish-brown head with a more subdued crest, a grayish body, and a duller red bill. This duck inhabits coastal waters, estuaries, bays, and large lakes, favoring saline or brackish areas. It primarily feeds on small fish, but also consumes crustaceans, aquatic insects, and amphibians, captured using its serrated bill adapted for fishing. A migratory species, it nests on the ground near water, often concealed under vegetation or in rocky crevices. Although listed as Least Concern by the IUCN, the Red-breasted Merganser is sensitive to water pollution, coastal habitat destruction, and human disturbances.

The Double-toothed Kite, or Harpagus bidentatus, is a medium-sized raptor found mainly in the tropical forests of Central and South America. It is easily recognizable by its grayish plumage and short, rounded wings, which allow it to maneuver skillfully through dense forest canopies. This bird of prey primarily feeds on reptiles, insects, and occasionally small mammals. Its name comes from the two prominent teeth on its beak, which help it grasp and tear its prey. The Double-toothed Kite is often observed following groups of capuchin monkeys, taking advantage of the commotion they cause to catch frightened prey.

The Harpy Eagle is one of the most powerful and impressive raptors in the world, easily recognizable by its large size and distinctive crest of feathers on its head. It measures between 86 and 107 cm in length, with a wingspan of 2 to 2.3 meters, and weighs between 6 and 10 kg. Its plumage is primarily dark gray and black, with white spots on the wings and belly, and a head adorned with a crest of feathers, giving it an imposing appearance. The Harpy Eagle primarily inhabits the tropical rainforests of Central and South America, notably in Mexico, Panama, Colombia, and Brazil. Carnivorous, it primarily feeds on mammals such as monkeys, sloths, and coatis, which it captures in flight or on trees with its powerful talons. Although the Harpy Eagle is not yet critically endangered, its population is threatened by deforestation, habitat loss, and illegal hunting.

The Equus hemionus, commonly known as the onager or Asiatic wild ass, is a wild equid native to Central Asia. Adapted to arid and semi-arid environments, such as deserts and steppes, it has a light brown coat that becomes paler in winter, and a short, upright mane. Onagers are social animals that live in groups, often led by a dominant male. They primarily feed on grasses but can also consume shrubs and herbs. Although their population has declined due to hunting and habitat loss, conservation efforts are underway to protect this iconic species.

The African Pygmy Hedgehog, scientifically known as Atelerix albiventris, is a small insectivorous mammal native to sub-Saharan Africa. It is easily identifiable by its spiny back and white belly. This hedgehog measures about 15 to 25 cm in length and weighs between 300 and 600 grams. Primarily nocturnal, it feeds on insects, small invertebrates, and occasionally fruits. In captivity, it is often kept as a pet due to its compact size and generally docile nature. However, it requires specific care, including a suitable habitat and balanced diet to remain healthy.

The North African Hedgehog, Atelerix algirus, is a small insectivorous mammal found mainly in North Africa and parts of southern Europe. It is characterized by its short spines and light-colored face. This hedgehog is well adapted to arid and semi-arid climates, preferring open areas with sparse vegetation. It is primarily nocturnal, feeding on insects, small invertebrates, and occasionally fruits. Its ability to roll into a ball to protect itself from predators is well known. Although generally solitary, it can be observed in small groups during the breeding season. Its population is stable, but it is threatened by habitat loss and road collisions.

The Eastern Hedgehog, or Erinaceus concolor, is a small insectivorous mammal found primarily in Eastern Europe and Asia Minor. It is recognizable by its stiff spines covering its back, providing effective protection against predators. This hedgehog is nocturnal, spending its days resting in nests made of leaves and branches. It mainly feeds on insects, worms, and sometimes fruits. Although generally solitary, the Eastern Hedgehog can be observed in small groups during the breeding season. It is capable of hibernating during the winter months, reducing its metabolic activity to survive the cold temperatures.