The animated film "Robin Robin" does not feature any identifiable LGBTQ+ characters or themes within its narrative. Therefore, there is no specific portrayal to evaluate regarding LGBTQ+ representation.

Based on the provided information, the film 'Robin Robin, 2021' does not appear to feature any identifiable transgender characters or themes. Consequently, an evaluation of its portrayal of transsexual identity is not applicable.

The film features a female antagonist, the Cat, who preys on smaller animals. Her interactions are based on natural predatory behavior against her prey, not direct physical combat involving skill or martial arts against male opponents. No female character is depicted winning close-quarters physical fights against male characters.

The film "Robin Robin" features original characters, including a robin raised by mice, a magpie, and a cat. There is no indication these characters are adaptations of pre-existing figures with established genders that have been altered.

Robin Robin is a stop-motion animated film featuring animal characters. The concept of a "race swap," which applies to human characters with established racial identities, is not applicable to this film.