1. Lagomorphs
1.1. Hare
1.1.1. The bigger and wilder version of rabbit which live in freedom. They live in Białowieski National Park.
1.2. Rabbit
1.2.1. The male is called a buck and the female is a doe; a young rabbit is a kitten or kit.
2. Rodents
2.1. Hamster
2.1.1. They're the most popular rodents at homes.
2.2. Guinea pig
2.2.1. Also called the cavy or domestic guinea pig. They do not exist naturally in the wild.
2.3. Beaver
2.3.1. Beavers are known for building dams, canals, and lodges (homes). They live in Drawieński National Park
3. Carnivores
3.1. Lion
3.1.1. It used to be called a king of animals. One of the most dangerous animals in the world
3.2. Tiger
3.2.1. Most recognisable for their pattern of dark vertical stripes on reddish-orange fur with a lighter underside.
3.3. Wolf
3.3.1. They live in remote areas of Eurasia and North America. They live in prides. You can see them at Bieszczadzki National Park.
4. Cetaceans
4.1. Cetacean
4.1.1. Cetacean bodies are generally similar to that of fish, which can be attributed to their lifestyle and the habitat conditions. Their body is well-adapted to their habitat, although they share essential characteristics with other higher mammals.
4.2. Dolphin
4.2.1. The second most intelligent mammal after humans which lives in the Ocean. You won't probably see them in any Polish National Park but they are a huge attraction in a Zoo.
4.3. Narwhal
4.3.1. It is a medium-sized toothed whale that possesses a large "tusk" from a protruding canine tooth.
5. A hedgehog is any of the spiny mammals. Hedgehogs are easily recognized by their spines. Their spines are not poisonous or barbed . However, the immature animal's spines normally fall out as they are replaced with adult spines. This is called "quilling". Spines can also shed when the animal is diseased or under extreme stress. They live in Wigierski National Park.
6. Commonly known for eating ants and termites. Anteaters are one of three surviving families of a once diverse group of mammals that occupied South America while it was geographically isolated from an invasion of animals from North America
7. Primate
7.1. Monkey
7.1.1. Monkeys live primarily on the ground. Most species are also active during the day.
7.2. Human
7.2.1. The most intelligent of mammals which made the biggest civilization. maybe they aren't attractions of the National Parks but they like going to them.
7.3. Lemurs
7.3.1. They mostly live on trees in the Madagascar Island.
8. Insectivorous
8.1. Hedgehog
8.2. Shrew
8.2.1. Although its external appearance is generally that of a long-nosed mouse, a shrew is not a rodent, as mice are. It is in fact a much closer relative of moles
8.3. Anteater
9. Biungulates
9.1. Deer
9.1.1. They live in the forest in most places of the world. People can see deers in Świętokrzyski National Park.
9.2. Horse
9.2.1. One of the most well known biungulates in the world. They're helping people for ages.
9.3. Zebra
9.3.1. It has characteristic colours of hair. They naturally live in Africa.