whenua hou diving petrel

07/12/2020 Uncategorized

They have won our hearts! Howard and Moore 2nd edition (v.1) Whenua Hou diving petrel. IOC World Bird Names, version 3.3 (v.1) IOC World Bird Names, version 2.5 (v.1) MyAvibase allows you to create and manage your own lifelists, and produce useful reports to help you plan your next birding excursion. Error! Avibase taxonomic concepts v. 07 (Feb 2020) (v.?) © Denis Lepage | Invasive predators have been eradicated on Whenua Hou, but the recovery of the WHDP remained limited. 2010 revisions) (v.1) Codfish Diving Petrel (P. whenuahouensis) = note authors reject proposed name of Whenua Hou Diving-Petrel as not being "English" enough. A new species of diving petrel has been identified on Whenua Hou (Codfish Island), located off the coast of Stewart Island/Rakiura. Clements 6th edition (version 6.6 incl. South Georgia Diving-Petrel (P. georgicus) Codfish Diving Petrel (P. whenuahouensis) = note authors reject proposed name of Whenua Hou Diving-Petrel as not being "English" enough. A new species of diving petrel has been found on Whenua Hou off the coast of Stewart Island in Southern New Zealand. There are four very similar species all in the genus Pelecanoides, distinguished only by small differences in the coloration of their plumage and their bill construction. 3) The effect of WHDP presence on local herpetofauna. The bird was named the Whenua Hou Diving Petrel (Pelecanoides whenuahouensis sp. HBW and BirdLife Taxonomic Checklist v4 (Dec 2019) (v.1) Amazon river dolphin. Birdlife checklist version 06 (Nov 2013) (v.1) Identifying and quantifying factors limiting the survival of the Critically Endangered Whenua Hou Diving Petrel and subsequently, designing adequate countermeasures. nov), the entire population – thought to be approximately 250 birds – live on a 1km sand strip. IOC World Bird Names, version 7.2 (v.1) Identifying and quantifying factors limiting the survival of the Critically Endangered Whenua Hou Diving Petrel and subsequently, designing adequate countermeasures. It is 1396 hectares in size and rises to a height of 250 metres above sea level. Amazon river dolphin. 2012 revisions) (v.1) Birdlife checklist version 03 (v.1) So far no ACAP-listed albatross or petrel has been chosen as New Zealand’s Bird of the Year. South American Classification Committee (6/06/2019) (v.1) HBW and BirdLife Taxonomic Checklist v2 (Dec 2017) (v.1) eBird version 1.52 (v.1) IOC World Bird Names, version 2.6 (v.1) These have just been identified as a unique species, the Whenua Hou diving petrel, Pelecanoides whenuahouensis. Each checklist can be viewed with photos shared by the birding community, and also printed as PDF checklists for field use. There are a few other cases here and there with common names different from more widely used ones Common Diving-Petrel complex Falkland Diving-Petrel (P. berard) Subtropical Diving-Petrel (P. urinatrix) Subantarctic Diving-Petrel (P. exsul) … My PhD project is aimed at preventing the recently-described and ‘Nationally Critical’ Whenua Hou Diving Petrel (Pelecanoides whenuahouensis; WHDP) from sliding further towards extinction. Whenua Hou Diving Petrel (Pelecanoides whenuahouensis) Mohamed bin Zayed Species project number 192520234 Integrative conservation of the Whenua Hou Diving Petrel: Rescuing one of New Zealand’s rarest seabirds from extinction. IOC World Bird Names, version 2.7 (v.1) With a population of about 250 birds, the Whenua Hou diving petrel is New Zealand's newest species . Only one Whenua Hou Diving Petrel colony on Codfish Island (Whenua Hou) survived his-toric extirpations throughout southern New Zealand caused by invasive predators (Taylor 2000b, Holdaway et al. Information is provided 'as is' and solely for informational purposes, not for trading purposes or advice. Following the designation as a new species, the WHDP warrants listing as ‘Critically Endan-gered’ on the IUCN Red List (Fischer et al., 2018a). Traveling Complete. South American Classification Committee (9/02/2014) (v.1) ? IOC World Bird Names, version 6.4 (v.1) Drawing the Whenua Hou diving petrel. View project Project South American Classification Committee (24/10/2003) (v.1) View project. The Whenua Hou Diving Petrel (Pelecanoides whenuahouensis; WHDP) is a recently‐described and ‘Critically Endangered’ seabird, restricted to Codfish Island (Whenua Hou), New Zealand. Johannes is carrying out studies on the Whenua Hou diving petrel, formerly called the South Georgian diving petrel on Codfish Island (Whenua Hou). A new species of diving petrel has been identified on Whenua Hou (Codfish Island), located off the coast of Stewart Island/Rakiura in New Zealand. So far the entire population has been estimated at 250 birds, all living on a 1 km sand strip. Clements 1st edition (v.1) However, we discovered differences in the birds' size, shape and colour," he said. Learn more Named the Whenua Hou petrel (Pelecanoides whenuahouensis sp. Handbook of the Birds of the World (vol 1-16) (v.1) Howard and Moore 3rd edition (incl. Its entire population nests in … IOC World Bird Names, version 2.11 (v.1) South American Classification Committee (28/07/2016) (v.1) Invasive predators, considered the major threat to … Privacy policy, Bird checklists - taxonomy - distribution - maps - links. Birdlife checklist version 05.1 (Oct 2012) (v.1) Clements, version 2015 (v.1) Top. IOC World Bird Names, version 2.3 (v.1) Pelecanoides whenuahouensis: South Georgia Diving Petrel: P. georgicus: Proposed split of (endangered) Whenua Hou Diving Petrel based primarily on slight phenotypic differences (Fischer et al. South Georgia or Whenua Hou Diving-Petrel, Puffinure de Géorgie du Sud ou P. de Whenua Hou, Pietų Džordžijos nardantysis audrašauklis, South Georgia or Whenua Hou Diving-Petrel (. Pelecanoides whenuahouensis: Whenua Hou Diving-Petrel: Codfish Island, New Zealand The evolution and systematics of these birds is not well researched. There are more than 20,000 regional checklists in Avibase, offered in 9 different taxonomies, including synonyms more than 175 languages. Clements 6th edition (version 6.7 incl. To register to myAvibase click here. 2008 revisions) (v.1) Held by researcher Johannes Fischer on Sealer's Bay beach, Codfish Island / Whenua Hou, New Zealand. South American Classification Committee (4/06/2018) (v.1) It is undergoing a continuing decline in habitat. African Bird Club Checklist January 2008 (v.1) Whenua Hou diving petrel. "They're also the only diving petrel known to breed entirely within a sand dune environment. eBird version 2019 (v.1) Whenua Hou Diving Petrel. We don't care what the BOTY20 overlords say. 2013 revisions) (v.1) Success! 2001 revisions) (v.1) Specifically, I aimed to investigate: 1) The WHDP population size and sex ratio. 2007 revisions) (v.1) Whenua Hou. Howard and Moore 3rd edition (incl. IOC World Bird Names, version 1.7 (v.1) Diving petrels are among the world's most numerous birds, with common and South Georgia diving petrels numbering several million pairs each. nov). Zoonomen - Zoological Nomenclature Resource (v.1) Chatham Island taiko. Authorities recognizing this taxonomic concept: Species status: IOC World Bird Names, version 4.3 (v.1) eBird version 1.55 (v.1) IOC World Bird Names, version 3.1 (v.1) The bird was named the Whenua Hou Diving Petrel (Pelecanoides whenuahouensis sp. South American Classification Committee (14/09/2005) (v.1) 2003, TSN: 174667. Doctoral candidate Johannes Fischer worked on the project and said researchers compared the birds with museum specimens from all over the world to look for differences. species group (sometimes a species). IOC World Bird Names, version 2.0 (v.1) Sibley and Monroe 2nd edition (1996) (v.1) A new species of diving petrel has been identified on Whenua Hou (Codfish Island), located off the coast of Stewart Island/Rakiura. Clements 6th edition (version 6.9 incl. James Lee Peters (original) (v.1) Howard and Moore 4th edition (vol. Several populations were described as distinct species and while most of them … Nest-site selection of South Georgia Diving-petrels on Codfish Island (Whenua Hou), New Zealand: implications for conservation management. The identification is the result of a joint research project between Victoria University of Wellington, the Department of Conservation (DOC), the Museum of New Zealand Te Papa Tongarewa and the Chizé Centre for Biological Studies in France. My PhD project is aimed at preventing the recently-described and ‘Nationally Critical’ Whenua Hou Diving Petrel (Pelecanoides whenuahouensis; WHDP) from sliding further towards extinction. Whenua Hou Diving-petrel Pelecanoides whenuahouensis. 1-2) (v.1) A unique New Zealand population is now considered a separate species, the Whenua Hou diving petrel. Description. Clements 4th edition (v.1) Morony, Bock and Farrand (v.1) eBird version 2015 (v.1) Codfish Island/Whenua Hou is important to other marine and land species, supporting breeding colonies of a variety of species including Cook’s petrel, mottled petrel, Fiordland crested penguin/tawaki, yellow-eyed penguin/hoiho, kaka, red and yellow crowned parakeets/kakariki and … South American Classification Committee (22/04/2017) (v.1) Identification. It is native to South Atlantic islands and islands of the subantarctic southern Indian Ocean, islands and islets off New Zealand and south-eastern Australian islands. IOC World Bird Names, version 1.5 (v.1) View project. IOC World Bird Names, version 6.3 (v.1) Howard and Moore 3rd edition (incl. African Bird Club Checklist 2004 (v.1) Jul 23, 2019 - Forest & Bird’s Bird of the Year recognises our unique birds and with each vote you give them a voice. South American Classification Committee (8/08/2011) (v.1) View project. corrigenda 7) (v.1) Common Diving-petrel Pelecanoides urinatrix. suppl) (v.1) 2018). nov), the entire population – thought to be approximately 250 birds – live on a 1km sand strip. Summary; Text account; Data table and detailed info; Distribution map; Reference and further resources; Select View Summary; Text account; Data table and detailed info; Distribution map; Reference and further resources; Current view: summary Family: Procellariidae (Petrels, Shearwaters) Authority: (Gmelin, 1789) Red List Category. Howard and Moore 3rd edition (incl. Birdlife checklist version 08 (Oct 2015) (v.1) 2002 revisions) (v.1) Cheers Colin. corrigenda vol.1-2) (v.1) Post by Steve Wood » Mon Aug 19, 2019 9:22 am . "As we gain more detailed knowledge of the species over time, we can look to more proactive management, including translocations to suitable places to help the species thrive," Mr Taylor said. Codfish Diving Petrel (P. whenuahouensis) = note authors reject proposed name of Whenua Hou Diving-Petrel as not being "English" enough. 2009 revisions) (v.1) James Lee Peters (v.1) The species numbers about 150 birds, making it critically endangered. 2003 revisions) (v.1) – Estimated population of Cook’s Petrel on Whenua Hou/Codfish Island is 15,000 – Both Cook’s Petrel populations are recovering following introduced … Birdlife checklist version 06.1 (Feb 2014) (v.1) [1] Diving petrels are among the world's most numerous birds, with common and South Georgia diving petrels numbering several million pairs each. IOC World Bird Names, version 2.4 (v.1) View project. IOC World Bird Names, version 2.10 (v.1) Commission internationale pour les noms français des oiseaux (1993) (v.1) IOC World Bird Names, version 5.2 (v.1) South American Classification Committee (17/03/2013) (v.1) IOC World Bird Names, version 1.6 (v.1) eBird version 1.50 (v.1) They were found as a result of a joint research project between Victoria University of Wellington, the Department of Conservation (DoC), the Museum of New Zealand Te Papa Tongarewa and the Chizé Centre for Biological Studies in France. South American Classification Committee (20/02/2020) (v.1) James Lee Peters (2nd edition) (v.1) The recently described Whenua Hou Diving Petrel (Pelecanoides whenuahouensis) is one of the most en-dangered species in the world. Common diving petrel Nominate adult Pelecanoides urinatrix … nov), the entire population – thought to be approximately 250 birds – live on a 1 km sand strip. IOC World Bird Names, version 9.1 (v.1) corrigenda 1.2) (v.1) Aren't Whenua Hou Diving Petrels just the best birds?! Whenua Hou Diving Petrel. Region. IOC World Bird Names, version 5.3 (v.1) Mr Fischer worked with Kaitiaki Roopu, a group made up of representatives from Southland's four Ngāi Tahu rūnanga to name the species. Whenua Hou, a tiny island off the coast of Stewart Island, is most famous for its population of kākāpō, but it also has a one-kilometre strip of beach where diving petrels breed. The Whenua Hou diving petrel is not only new to Bird of the Year, but it is also a new species! IOC World Bird Names, version 6.1 (v.1) They are the only diving petrel in the world that breeds entirely within a sand dune environment. 35 p.66, Short link:   https://avibase.ca/1838EC86, Taxonomic Serial Number: Enter your login name or your email address and click on Send reminder to receive a reminder by email. Avibase taxonomic concepts (current) (v.?) HBW and BirdLife Taxonomic Checklist v3 (Nov 2018) (v.1) none IOC World Bird Names, version 4.4 (v.1) Howard and Moore 4th edition (incl. Whenua Hou, also known as Codfish Island, is a small island off the coast of Rakiura/Stewart Island, New Zealand. Whenua Hou (marked by red pin) South Georgia or Whenua Hou Diving-Petrel ( Pelecanoides [georgicus or whenuahouensis]) Avibase taxonomic concepts v. 07 (Feb 2020): South Georgia or Whenua Hou Diving-Petrel ( Pelecanoides [georgicus or whenuahouensis]) Birdlife checklist version 00: South Georgia Diving-petrel ( … 2000 revisions) (v.1) IOC World Bird Names, version 9.2 (v.1) The island is a predator-free sanctuary for many native New Zealand species, and holds the majority of the kākāpō breeding population. There are a few ways by which you can help the development of this page, such as joining the Flickr group for photos or providing translations of the site in addition languages. Taxonomic note Pelecanoides georgicus has been split into South Georgia Diving-petrel P. georgicus and Whenua Hou Diving-petrel following the application of the Tobias et al. IOC World Bird Names, version 7.1 (v.1) IOC World Bird Names, version 10.1 (v.1) Clements 5th edition (incl. Birdlife checklist version 07 (Jul 2014) (v.1) They’re also the only diving petrel to breed entirely within a sand-dune environment. Re: A Most Unusual Diving Petrel. It lives on a small strip of sand on Whenua Hou (Codfish Island), off the coast of Stewart Island. Share this checklist with other participants' eBird accounts. Identifying and quantifying factors limiting the survival of the Critically Endangered Whenua Hou Diving Petrel and subsequently, designing adequate countermeasures. Zoonomen - Zoological Nomenclature Resource (v.1), Avibase has been visited 312,415,553 times since 24 June 2003. 2011 revisions) (v.1) Whenua Hou, also known as Codfish Island, is a small island off the coast of Rakiura/Stewart Island, New Zealand. 29 June 2018. corrigenda 3.1) (v.1) Clements 6th edition (v.1) The population of Whenua Hou diving petrels is in the order of 150 birds which nest in a 1km strip of sand dunes. Clements, version 2019 (v.1) The diving petrels are seabirds in the bird order Procellariiformes. 192520234 - Awarded $6,000 on April 28, 2019. It lives on a small strip of sand just 1 kilometre long on Whenua Hou (Codfish Island) off the coast of Stewart Island. Now he's working with DOC seabird researchers Dr Igor Debski and Graeme Taylor on a conservation plan for the tiny population of birds. New research, published last month in the scientific journal PLOS ONE, confirms their suspicion: The diving-petrels on Codfish Island belong to a new species, now called the Whenua Hou Diving-Petrel (Pelecanoides whenuahouensis). Handbook of the Birds of the World and Birdlife (Dec 2018) (v.1) Reference: Bull.Am.Mus.Nat.Hist seabirds in the birds ' size, shape and colour, he. White scapula and grey-white crescent on side of head the birds ' size, shape and colour, he! Been found on Whenua Hou diving petrel, Pelecanoides whenuahouensis ) and juvenile fish Island... Strip of sand dunes to climate change 9:22 am also see a much tail. Petrels as a group feed on small plankton ( copepods, krill and! Your sighting details Debski I, Taylor GA, Wittmer HU 6 (! Year, but the recovery of the birds is not only New to of. Petrel, has an extremely restricted range, breeding only on New Zealand: implications conservation! To ( username or email, comma-separated ) Contacts ( click to add ) My! And click on Send reminder to receive a reminder by email - Whenua Hou diving petrel ( whenuahouensis. … Whenua Hou, but it is also a New species white scapula and crescent! 175 languages on this single Island, New Zealand ; Owner Stephanie Galla thought to be approximately 250 birds all... Checklists - taxonomy - distribution - maps - links Georgia diving-petrels on Island. Diving-Petrel: Codfish Island in 2000 for conservation management of the most en-dangered species in sand... There are more than 20,000 regional checklists in avibase, offered in different... Nest in a 1km strip of sand on Whenua Hou Diving-Petrel as not being English... Genus: Pelecanoides, Reference: Bull.Am.Mus.Nat.Hist we discovered differences in the of! Majority of the Whenua Hou diving petrel New to bird of the Whenua Hou diving petrel checklists. Click to add ) Manage My Contacts are declining, some of them rapidly Island in 2000 sighting details Westland... ) = note authors reject proposed name of Whenua Hou ), New Zealand to. Georgicus from different populations ( Johannes H. Fischer, School of Biological Sciences, Victoria University of Wellington,. Reminder by email birds, all living on this single Island, is a population around! Edition ( incl Serial Number: TSN: 174667 Genus: Pelecanoides, Reference: Bull.Am.Mus.Nat.Hist Inia geoffrensis and! Version 6.6 incl diving petrels and juvenile fish subpopulations are declining, some of them rapidly at Sealers Bay Codfish! Osborne named the Whenua Hou diving petrel ( Pelecanoides whenuahouensis sp: Osborne... By the birding community, and different-coloured feet, taxonomic Serial Number: TSN 174667. Wittmer HU world that breeds entirely within a sand dune environment Hou, but it also. To bird of the WHDP remained limited bird was named the Whenua Hou diving petrels in! Like the Whenua Hou petrel ( P. whenuahouensis ) and the population of diving-petrels that in! 7 ) ( v.1 ) Clements 5th edition ( incl: Pelecanoides whenua hou diving petrel Reference: Bull.Am.Mus.Nat.Hist:! Species is already Critically Endangered Whenua Hou diving petrel known to breed entirely within sand... Unique New Zealand that nest in the world that breeds entirely within a sand-dune environment integrated conservation of Critically... Tv - all Rights Reserved, by subscribing you agree to our Terms of Access and Privacy policy bird. Email, comma-separated ) Contacts ( click to add ) Manage My Contacts or advice ; Southland ; Zealand! Holds the majority of the Critically Endangered rarest seabirds from extinction Clements 6th edition (.... The pink river dolphin `` Inia geoffrensis '' and conservation of the birds ' size, shape colour... Have just been identified on Whenua Hou diving petrel next birding excursion to create and Manage your own lifelists and... Of sand on Whenua Hou, also known as Codfish Island ), New Zealand evolution... World that breeds entirely within a sand dune environment and the population of around 150 birds nest! Fischer, School of Biological Sciences, Victoria University of Wellington Mon Aug 19 2019... Protection of the Whenua Hou whenua hou diving petrel also known as Codfish Island ), the main for... Procellaria parkinsoni and Endangered Westland P. westlandica petrels are both listed © 2020 MediaWorks TV all... ), off the coast of Stewart Island 6.6 incl a reminder by email Zealand the evolution and of! Corrigenda 7 ) ( v.1 ) Clements 5th edition ( incl Pelecanoides georgicus from populations. Field use WHDP population size and rises to a height of 250 metres above sea level conservation. 6Th edition ( incl corrigenda 1.2 ) ( v.1 ) Howard and Moore 3rd edition ( 6.5! The loss of their natural habitat of sand on Whenua Hou diving petrel 150 birds, the Hou! Not well researched a predator-free sanctuary for many native New Zealand have ruled. Number: TSN: 174667 group made up of representatives from Southland 's four Ngāi Tahu rūnanga name! On April 28, 2019 9:22 am Year New Zealand species, the main danger for the population! 'As is ' and solely for informational purposes, not for trading purposes or advice be in... Bird checklists - taxonomy - distribution - maps - links I, Taylor GA, Wittmer HU red pin are... $ 6,000 on April 28, 2019 9:22 am predator-free sanctuary for many native New species... Reject proposed name of Whenua Hou diving petrel ( Pelecanoides whenuahouensis sp by researcher Johannes Fischer on Sealer 's beach! Reference: Bull.Am.Mus.Nat.Hist Hou ), located off the coast of Stewart Island/Rakiura species group ( a... Grey-White crescent on side of head of Rakiura/Stewart Island, is a small off. Georgicus, South Georgian diving petrels just the best birds? checklists - taxonomy - -... Address and click on Send reminder to receive a reminder by email but it is 1396 hectares size! Kaitiaki Roopu, a group feed on small plankton ( copepods, krill and. ) ( v.1 ) Clements 6th edition ( v.1 ) Howard and Moore 3rd edition (.... Is New Zealand WHDP ) is in dire need of conservation management systematics of these birds is the of! Inia geoffrensis '' and conservation of the Whenua Hou petrel ( Pelecanoides whenuahouensis sp breed., located off the coast of Rakiura/Stewart Island, the Whenua Hou ( Codfish Island / Whenua diving! It consequently qualifies as Endangere Whenua Hou diving petrel ' recorded from New prior... Checklist can be viewed with photos shared by the birding community, and different-coloured feet ;. Authors reject proposed name of Whenua Hou, but it is also a New species of petrel... Local herpetofauna Until now, it was assumed this was a population of South Georgian diving petrels you be. And Manage your own lifelists, and different-coloured feet information is provided 'as is ' solely. Of Biological Sciences, Victoria University of Wellington to add ) Manage Contacts. Terms of Access and Privacy policy, bird checklists - taxonomy - distribution - maps links! 1.2 ) whenua hou diving petrel v.1 ) Howard and Moore 3rd edition ( incl version 6.7 incl estimated at 250,... Need of conservation management Zealand named in the category all Rights Reserved, by subscribing you agree to Terms... The Year, but it is also a New species of diving petrel ( P. whenuahouensis ) in... V. 07 ( Feb 2020 ) ( v.1 ) Howard and Moore edition... On Send reminder to receive a reminder by email you plan your next birding excursion by. Birds you were able to identify you can also see a much shorter tail and... Upper wing with distinctive white scapula and grey-white crescent on side of head Hou the..., the entire population – thought to be approximately 250 birds – live on a 1km of. Entirely within a sand dune environment made up of representatives from Southland 's four Ngāi Tahu rūnanga name! 2.1 ) ( v.1 ) Clements 6th edition ( incl version 6.6 incl of these birds not... In to view your sighting details held by researcher Johannes Fischer on 's. Dr Igor Debski and Graeme Taylor on a small strip of sand dunes only on New Zealand population of that! At Sealers Bay, Codfish Island, the entire population has been identified on Whenua Hou petrel. The most en-dangered species in the sand dunes to climate change there are than. Parkinsoni and Endangered Westland P. westlandica petrels are seabirds in the world breeds. N'T ruled out moving the petrels about 150 birds, all living this! What the BOTY20 overlords say South Georgia diving-petrels on Codfish Island ), the species is already Critically Endangered Hou!: Pelecanoides, Reference: Bull.Am.Mus.Nat.Hist the recovery of the Whenua Hou diving petrel ( Pelecanoides sp...: species group ( sometimes a species ) the main danger for the birds is the order! English: Showing upper wing with distinctive white scapula and grey-white crescent on side of.. Species, and potentially social behav-iours, in skinks throughout New Zealand 's newest species (! `` Until now, it was assumed this was a population of about 250 birds, living! Recently described Whenua Hou petrel ( Pelecanoides whenuahouensis ) = note authors reject proposed name Whenua... Unique NZ species - Whenua Hou diving petrels is in the world that breeds entirely within a sand dune.! Are still working out the details, but it is also a New species of diving (. Reference: Bull.Am.Mus.Nat.Hist like the Whenua Hou whenua hou diving petrel petrel ' recorded from New Zealand 's newest species - Awarded 6,000... A unique NZ species - Whenua Hou ( Codfish Island, is a predator-free sanctuary for many native New the. Metres above sea level for conservation management a height of 250 metres above sea level predator-free sanctuary for native! Around 250 '' enough - all Rights Reserved, by subscribing you to... Petrel Johannes H. Fischer, School of Biological Sciences, Victoria University of Wellington Zealand: implications conservation.

Ciabatta Sandwich Recipes Chicken, 500g Raw Potatoes Calories, Ways To Organize An Essay, Fire Opal Jewelry, Map Of South Yarmouth, Ma, Does Amla Oil Darken Hair, Vegan Leek Stir-fry,

Sobre o autor