Red deer are native to Europe, Asia, and North Africa, and they are the largest deer species in the world. They are known for their distinctive reddish-brown fur and antlers, which are grown and shed annually. Red deer are primarily grazers, feeding on grass and other vegetation, and they are social animals, living in herds.

Red duiker is a species of small antelope native to the forests of West and Central Africa. They are known for their distinctive red-brown coat and their compact size, making them well-suited to life in dense forest environments. Red duikers feed on a variety of vegetation, including leaves, buds, fruits, and shoots, and they are active both day and night. They are typically solitary animals, although they may form small herds in areas with high food availability.

The red hartebeest is a species of large antelope native to the grasslands and savannas of Africa. They are known for their distinctive red-brown coat and long, curved horns. Red hartebeests are grazers, feeding on grasses and other low-growing vegetation, and they are active both day and night. They are social animals, living in herds of up to 50 individuals, and they are known for their fast and powerful running ability.

Red Lechwe are a species of antelope found in the wetlands of southern Africa, specifically in the Okavango Delta of Botswana and the Kafue Flats of Zambia. These animals are well adapted to their aquatic habitat and are known for their unique, swollen nasal glands, which they use to filter water while grazing on aquatic plants.

The red-flanked duiker is a species of small antelope found in the forests of West and Central Africa. They are known for their reddish-brown coat with white underparts and distinctive white-tipped tails. They feed on leaves, buds, fruits, and shoots, and they are active both day and night. Red-flanked duikers are typically solitary animals, although they may form small herds in areas with high food availability.

Reedbuck are a species of antelope that are native to the savannas and grasslands of Africa. They are known for their unique horns, which are shaped like lyres, and their slender bodies. Reedbuck are herbivores, feeding on grasses and other vegetation, and they are social animals that form groups of up to 15 individuals. They are most active in the early morning and late afternoon, and they are known to be good swimmers.

Reindeer are a species of deer that are native to the Arctic tundra and taiga of Eurasia and North America. They are well-adapted to their harsh environment, with thick fur, wide hooves for better traction on snow, and a special nose structure that helps them regulate their body temperature. Reindeer are herbivores, feeding on mosses, lichens, and other vegetation, and they are social animals that form large herds.

Rhebok, also known as Vaal Rhebok, are a species of antelope native to the grasslands of southern Africa. They are known for their distinctive white back and hindquarters and their long, slender legs. Rhebok are herbivores, feeding on grasses and other vegetation, and they are solitary animals that form pairs during the breeding season.

Rhebok Vaal, also known as Vaal Rhebok, are a subspecies of Rhebok native to the grasslands of southern Africa. They are known for their distinctive white back and hindquarters and their long, slender legs. Rhebok Vaal are herbivores, feeding on grasses and other vegetation, and they are solitary animals that form pairs during the breeding season.

Ringed waterbuck are native to grassy savannas and woodland areas in Africa. They are known for their distinctive circular markings on their fur and their tendency to live near water sources. Ringed waterbuck are herbivores, feeding primarily on grass and other vegetation. They are social animals, living in herds of up to 20 individuals, and they are active both day and night.

Roan are large antelopes native to grasslands and savannas in Africa. They are known for their distinctive dark fur, long legs, and curved horns. Roan are herbivores, feeding on grass and other vegetation, and they are social animals, living in herds of up to 20 individuals. They are active both day and night and are known for their powerful and graceful movements.

Rock ptarmigans are medium-sized birds that live in the Arctic tundra and boreal forests of North America and Eurasia. They are well adapted to their harsh environments, featuring a dense layer of feathers for insulation and camouflage feathers that change color with the seasons. Rock ptarmigans feed on plants, berries, and insects, and they are known for their distinctive calls, which are used to attract mates and defend territory.

Roe bucks are native to Europe and are known for their small size and distinctive antlers. They are solitary animals, living alone or in small groups, and they feed primarily on leaves, shoots, and grasses. Roe bucks are active during the day and are generally found in woodland, scrub, and grassland habitats.

Roe deer are native to Europe and are known for their small size and distinctive appearance. They are social animals, living in herds of up to 20 individuals, and they feed primarily on leaves, shoots, and grasses. Roe deer are active during the day and are generally found in woodland, scrub, and grassland habitats.

Ronda ibex are native to the Ronda mountain range in southern Spain and are known for their impressive horns and rugged, mountainous habitat. They are solitary animals, living alone or in small groups, and they feed primarily on leaves, shoots, and grasses. Ronda ibex are active during the day and are generally found at high elevations in the Ronda mountain range.

Rooseveltii sable are native to the savannas and grasslands of central and southern Africa and are known for their impressive horns and distinctive appearance. They are social animals, living in herds of up to 20 individuals, and they feed primarily on grasses. Rooseveltii sable are active during the day and are generally found in savanna and grassland habitats.

The Rusa deer, also known as the Sunda sambar or the Javan rusa, is a species of deer native to Southeast Asia. They are known for their distinctive appearance, with their thick, shaggy coats and large antlers. Rusa deer are typically found in forests and are active both day and night.

The Sable antelope is a species of antelope found in southern and eastern Africa. They are known for their impressive horns and their distinctive black and white coats. Sable antelope are social animals, living in herds of up to 20 individuals, and they feed primarily on grasses.

The Saiga is a species of antelope found in central Asia and parts of Eastern Europe. They are known for their distinctive appearance, with their large, bulbous noses and shaggy coats. Saiga are herbivores and feed primarily on grasses and shrubs.

Salmon is a species of fish found in the northern hemisphere, primarily in the Atlantic and Pacific oceans. They are known for their distinctive appearance, with their shiny scales and bright coloration. Salmon feed primarily on smaller fish and invertebrates.

Sambar deer are native to the forests and grasslands of South and Southeast Asia, and they are known for their large size and distinctive antlers. They feed on a variety of vegetation, including leaves, stems, and grasses, and are active both during the day and night. Sambar deer are important prey species for many large predators, including tigers and leopards.

Sand Grouse are birds native to the deserts and dry regions of Africa and Eurasia. They are known for their unique adaptations to arid environments, such as their ability to fly long distances to find water and their ability to store water in specialized feathers. Sand Grouse feed primarily on seeds, and they are social birds that live in flocks.

Savanna Buffalo are native to the grasslands and savannas of Africa and are known for their large size and formidable horns. They are social animals, living in herds of up to several hundred individuals, and they feed primarily on grasses. Savanna Buffalo are active during the day and are considered one of the most dangerous large mammals in Africa.

Scimitar Horned Oryx are native to the deserts of North Africa and are known for their distinctive horns and striking appearance. They are able to store water in their bodies and feed on a variety of vegetation, including leaves and grasses. Scimitar Horned Oryx are active during the day and are social animals, living in herds of up to several individuals.

Scottish red deer are a subspecies of red deer native to Scotland and are known for their impressive antlers and distinctive appearance. They live in forests, woodlands, and moorlands and feed primarily on grasses and other vegetation. Scottish red deer are active both day and night and are generally solitary animals.

Scottish red stag, also known as Scottish red deer, are native to Scotland and are known for their impressive antlers and distinctive appearance. They live in forests, woodlands, and moorlands and feed primarily on grasses and other vegetation. Scottish red stag are active both day and night and are generally solitary animals.

Serval cats are wild cats native to Africa and are known for their long legs, large ears, and unique hunting style. They live in grasslands, savannas, and wetlands and feed primarily on small mammals, birds, and reptiles. Serval cats are solitary animals and are primarily active at night.

Sharp's Grysbok is a small antelope species native to southern Africa. They are known for their reddish-brown fur and small, slender build. Sharp's grysbok are typically solitary animals, but they can sometimes be found in small groups. They feed on a variety of vegetation, including leaves, stems, and fruits.

Sheep are domesticated mammals widely raised for their wool, meat, and milk. They are social animals that live in flocks and have a strong flock mentality. Sheep are known for their docile nature and are often kept for their meat, hides, and wool. They are also used as a source of fertilizer in many agricultural regions.