Adam Scott Kennedy, Peter Boesman, Nigel J. Collar, Lincoln D. C. Fishpool: Geographical variation in the Bar-tailed Trogon Apaloderma vittatum. In: Bulletin of the British Ornithologists’ Club. Band142, Nr.4, 7. Dezember 2022, ISSN0007-1595, doi:10.25226/bboc.v142i4.2022.a10.
Adam Scott Kennedy, Peter Boesman, Nigel J. Collar, Lincoln D. C. Fishpool: Geographical variation in the Bar-tailed Trogon Apaloderma vittatum. In: Bulletin of the British Ornithologists’ Club. Band142, Nr.4, 7. Dezember 2022, ISSN0007-1595, doi:10.25226/bboc.v142i4.2022.a10.