| 词条 | Northern red-billed hornbill |
| 释义 |
| name = Northern red-billed hornbill | image = Red-billed hornbill (Tockus erythrorhynchus) male.jpg | image_caption = male, Lake Baringo, Kenya | status = LC | status_system = IUCN3.1 | status_ref = [1] | genus = Tockus | species = erythrorhynchus | authority = Temminck, 1823 | range_map = Tockus erythrorhynchus - Distribution.png | range_map_caption = {{legend0|blue|resident range|outline=gray}} | synonyms = Alophius erythrorhynchus}} The northern red-billed hornbill (Tockus erythrorhynchus) is a species of hornbill in the family Bucerotidae. It is found from southern Mauritania through Somalia and northeast Tanzania. There are five species of red-billed hornbills recognized, but all five were once considered conspecific and some authorities still classify the others as subspecies of Tockus erythrorhynchus.[2]. References1. ^{{Cite journal | author = BirdLife International | title = Tockus erythrorhynchus | journal = The IUCN Red List of Threatened Species | volume = 2016 | page = e.T22725930A94906468 | publisher = IUCN | date = 2016 | url = http://www.iucnredlist.org/details/22725930/0 | doi = 10.2305/IUCN.UK.2016-3.RLTS.T22725930A94906468.en | access-date = 15 January 2018}} 2. ^{{cite web |url= https://www.hbw.com/species/red-billed-hornbill-tockus-erythrorhynchus|title= Red-billed Hornbill |author= |website= www.hbw.com|publisher= Handbook of Birds of the World online|access-date=12 May 2018}}
External links
3 : Tockus|Birds of Sub-Saharan Africa|Birds described in 1823 |
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