A 2023 exhibition at the Hastings Museum and Art Gallery in England prompted criticism over its presentation of same-sex behavior and sex-related traits in animals. Reporting about the exhibition focused on statements concerning pheasants and changes in their plumage. Critics argued that changes in feather coloration should not be described as a change of biological sex. The dispute raised questions about how scientific observations are presented in educational exhibits. The source article includes the museum’s reported claims and the objections raised by critics.