Detailed profile of this breed: origin, year of creation, recognised varieties and official approvals.
Summary of the breed
No reliable information is available in standard references about a pigeon breed named 'Mariola'. Consequently, it is not possible to provide a qualitative profile or quantitative metrics (e.g., size range, weight, color series, temperament, origin). If you have a reference or alternative spelling, please share it so I can update with precise data.
Detailed origin
No verifiable information is available regarding the origin of a pigeon breed named 'Mariola'. There is no confirmed country of origin, breed association, or historical development data to cite. Therefore, no quantitative metrics (e.g., year of establishment, distribution breadth) can be provided.
Detailed description
Given the lack of reliable references, a qualitative or quantitative description cannot be provided. If you can supply sources or details (e.g., typical size range, weight, color varieties, markings, temperament, care needs), I will update with a precise profile.