Helmeted hornbill (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Helmeted hornbill" in English language version.

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  • BirdLife International (2020). "Rhinoplax vigil". IUCN Red List of Threatened Species. 2020: e.T22682464A184587039. doi:10.2305/IUCN.UK.2020-3.RLTS.T22682464A184587039.en. Retrieved 19 November 2021.
  • Haimoff, Elliott H. (2008-04-03). "A spectrographic analysis of the loud calls of Helmeted Hornbills Rhinoplax vigil". Ibis. 129 (2): 319–326. doi:10.1111/j.1474-919X.1987.tb03175.x.
  • Poonswad, Pilai; Thiensongrusamee, Preeda; Mudsri, Sitthichai (2012-08-01). "Basic conservation approaches and the fate of hornbills in Thailand: a prototype for future bird–people relationships". Journal of Ornithology. 153 (1): 49–60. doi:10.1007/s10336-012-0868-5. ISSN 2193-7206.
  • Kinnaird, Margaret; Hadiprakarsa, Yokyok; Thiensongrusamee, Preeda (2003). "Aerial jousting by Helmeted Hornbills Rhinoplax vigil: Observations from Indonesia and Thailand". Ibis. 145 (3): 506–508. doi:10.1046/j.1474-919X.2003.00188.x.
  • Bennett, Elizabeth L.; Nyaoi, Adrian J.; Sompud, Jephte (1997-10-01). "Hornbills Buceros spp. and culture in northern Borneo: Can they continue to co-exist?". Biological Conservation. 82 (1): 41–46. doi:10.1016/S0006-3207(97)00012-8. ISSN 0006-3207.

iucnredlist.org

  • BirdLife International (2020). "Rhinoplax vigil". IUCN Red List of Threatened Species. 2020: e.T22682464A184587039. doi:10.2305/IUCN.UK.2020-3.RLTS.T22682464A184587039.en. Retrieved 19 November 2021.

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