Tiger
- The male Amur tiger weighed 254 kg, and it is the largest male with confirmed data, weighed in 1911. The official website of the conservation program lists a record weight of 384 kg.
- The Amur tiger has a 5-centimeter layer of fat on its belly, protecting it from freezing wind at extremely low temperatures. It is the only tiger subspecies with such a fat layer.
- Every tiger has a unique stripe pattern, like fingerprints.
- The Amur tiger starts hunting alone at one year old, and by two years old can pursue large prey. For the first few years of life, it stays with its mother.
- The Amur tiger remains the largest living cat, but its average weight has decreased. The largest males wearing radio collars weigh 212 kg and 225 kg.
- The Amur tiger greets each other with special sounds made by forcefully exhaling air through the nose and mouth. Friendly signs also include face touching and side rubbing.
- The Amur tiger has one of the largest territories among tigers, with the female's territory covering 300–500 km² and the male's 600–800 km². If food is sufficient within its territory, the tiger does not leave.
- The Amur tiger crawls toward its prey, arching its back and pushing its hind paws into the ground. It does this to approach quietly and maintain balance before the jump.
- It lives in the Far East where winters reach −40 °C; wide paws act as snowshoes.
- Females give birth to 1–5 cubs every 2–3 years; young stay with the mother 18–22 months.
Age
The Korean tiger, also known as the Manchurian tiger, Siberian tiger, Siberian tigers, Ussurian tiger, or amur tiger, has a typical lifespan of from 19 years and 9 months to 32 years and 11 months, with a maximum recorded lifespan of 30 years, although its theoretical lifespan is from 13 years and 2 months to 26 years and 4 months; the species reaches sexual maturity between 3 and 5 years of age. The young’s eyes open between 1 and 2 weeks of age, and it begins to walk between 2 weeks and 4 days and 4 weeks. During the embryonic stage, the embryo develops inside the mother, receiving nourishment from her and growing rapidly; the newborn is blind and helpless, and the mother feeds it with milk and protects it in a den during the infant stage. As an adult, the tiger lives and hunts independently, and males defend a large territory, a phase lasting from 2 to 20 years.
Phenotype
The embryo develops within an egg and then in the uterus, with organs developing gradually. Young tigers have sharp claws on their paws, used for grasping prey and climbing trees, and possess thick fur with black stripes on an orange background, which aids in camouflage. Their eyes open between seven and ten days, and vision becomes good for hunting; the young also have milk teeth that are later replaced by permanent teeth for hunting. Adult tigers have long fangs used to kill prey by biting in the neck, and possess thick fur with a unique pattern of stripes, becoming longer and lighter in color during winter. The species has large paws with soft pads that allow silent movement across snow, and their bodies and paws are marked with black stripes, each tiger having a unique pattern like fingerprints. A long tail helps maintain balance during jumps and runs, while long sensitive whiskers help orient in the dark and sense prey.
Physiology
The Korean tiger, also known as the Manchurian tiger, Siberian tiger, Siberian tigers, Ussurian tiger, or amur tiger, has a body height ranging from 17 centimeters to 4.5 meters and a body length ranging from 2.3 to 3.3 meters; the species’ mass varies from 119.7 kilograms, with the embryonic stage exhibiting a body mass between 1 gram and 1 kilogram and a body length from 0 millimeters to 10 centimeters, and the juvenile stage displaying a body mass from 0.8 to 80 kilograms and a body length from 50 centimeters to 1.8 meters, while the adult stage has a body mass from 180 kilograms to 0.3 metric tons and a body length from 2.7 to 3.3 meters.
Habitat
The Korean tiger, also known as the Manchurian tiger, Siberian tiger, Ussurian tiger, or amur tiger, inhabits land, highlands and tundra, ground forests, forests, and hills, at elevations up to 1.5 kilometers; the species occupies taiga biomes with cold winters and many coniferous trees such as fir, pine, and temperate mixed forests where summers are warm and contain many oaks, birches, and maples. The climate features little precipitation in winter, but more in summer, with winters being dry and snowy, almost without rain but with much snow, and summers being cool with abundant rainfall; the seasons also bring snow in winter and comfortable summers with temperatures of 20 to 25 degrees Celsius.
Shelter
The Amur tiger inhabits forests among trees, using a den as shelter. The den serves the species for reproduction, rest, and protection from the cold.
Geography
The Korean tiger, also known as the Manchurian tiger, Siberian tiger, Ussurian tiger, or amur tiger, inhabits the Palearctic realm and is found within three ecosystems: the Ussurian broadleaf and mixed forests, the Manchurian mixed forests, and the Okhotsk-Manchurian taiga.
Feeding
The Amur tiger feeds exclusively on meat, stalking prey and attacking from ambush with a single powerful leap; its hunting method is ambush predation, and its diet includes sika deer, wild boar, red deer, roe deer, small mammals, and large mammals. Its feeding strategy involves active hunting, ambushes, and group hunting. The daily food requirement ranges from 5 kg to 12 kg. Prey species include caimans, pheasants, iguanas, galagos, and antelopes. In some cultures, this animal is consumed, but it is not considered halal or kosher.
Reproduction
Korean tigers, Manchurian tigers, Siberian tigers, Ussurian tigers, and amur tiger reproduce sexually through live birth, with the female carrying the young for 3 months and 2 weeks. The species inhabits and develops on land, outside of bodies of water, and their eggs or young develop in a nest built on the ground or close to it, sometimes hidden within an underground burrow where only the mother displays parental care. A litter has 2 to 4 cubs, and the female cares for them for the first two years. The species reaches maturity from 3 to 5 years of age, with reproduction occurring every 2 to 3 years. Reproduction always involves fertilization, without alternation of generations.