Every group experiences prejudice among others who are not of the same group. That includes Whites. Blacks. Polish. Jews. Latinos. Irish. Asians. Filipinos. Italians. Gays. Transgender. Young. Old. Rich. Poor. Native American. Aleut. German. Female. Male. Genius. Left-handers. Low-IQ. Bald. Unathletic. Sports fans. Nerds. Unattractive. Tall. Short. Obese. Skinny. Hunters. Fishers. Animal lovers. Environment lovers. Religious. Non-religious.
You name it.
You cannot define a group that lives completely without prejudice, in the USA or in any other country.