For the record this is a new experimental cat breed that, as I understand it, is the same or very similar to the Chausie, an established wildcat hybrid made in America.
Both the Poljun and the Chausie are created by mating a small wild cat species called the jungle cat (felis chaus) with a domestic cat. The jungle cat looks like a domestic cat. This creates a first filial wild cat hybrid. These sorts of breeds are quite distinct in their behaviour from regular domestic cats. They are sharper and more active, requiring more attention from their caretaker.
The dual name for this breed appears to have come from the fact that TICA renamed the cat from Jungle to Poljun. Although, I have not seen this breed listed on the TICA site at the date of this post.
The Poljun, we are told, was created by Ewa Zgrabczynska in Poland. We are told that “the gene pool of this breed consists of many hybrid cats…”. Therefore on that statement the Poljun is not a simple jungle cat/domestic cat cross. I confess to be a bit confused as to its pedigree.
The Poljun needs to look wild and be well proportioned and lean reflecting its wild cat ancestor the jungle cat. The overall appearance is a slightly slender (oriental) and athletic cat. This cat should not give the appearance of being lazy.
Breeders say the Poljun is extremely active which endorses what I have stated above. They say their behaviour is a cross between a dog and monkey. They are friendly, inquisitive and non-aggressive.
If the Poljun is an F1 wild cat hybrid (and I don’t believe it is) and similar to the Chausie then the words of Ken Flick will be useful. He said looking after their Chausie was like looking after a cat on crack cocaine. Mr and Mrs Flick were caretakers for an F1 Chausie in America and they found it almost impossible to care for their cat because of the demands placed upon them in terms of activity levels and temperament. They gave up their Chausie to the breeder, eventually.
I am not saying that the Poljun is the same. The description of the breed is vague and it may well be the case that this is not an F1 wild cat hybrid but a breed with some wild cat in him. That is important for character. First filials are less like domestic cats than F5s (fifth filial) obviously.
The cat’s appearance is not (for me) that of a first to third filial wild cat hybrid. Although there is a faint hint of wild cat in the face.
I have a page on living with wild cat hybrids for people interested in adopting a Poljun.