map 物種白額雁 Anser albifrons[原始紀錄物種] Anser albifrons albifros日期1923地點觀測方式保存標本記錄者鑑定者資料集Bird collection of National Museum of Nature and Science授權紀錄授權: CC BY來源連結https://www.gbif.org/occurrence/44018054識別號ffc0438d-7646-4095-8da6-1cd497d87f13 (OccurrenceUUID)gbif.4693773.44018054 (externalID)