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Welcome to Avibase

Avibase is an extensive database information system about all birds of the world, containing over 12 million records about 10,000 species and 22,000 subspecies of birds, including distribution information, taxonomy, synonyms in several languages and more. This site is managed by Denis Lepage and hosted by Bird Studies Canada, the Canadian copartner of Birdlife International. Avibase has been a work in progress since 1992 and I am now pleased to offer it as a service to the bird-watching and scientific community.

© Denis Lepage 2014 - Number of records currently in Avibase: 13,306,909 - Last update: 2014-12-01

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I am excited to announce a new important addition to Avibase, called myAvibase. This is a new section of the site that provides tools for planning your next birding trip and manage your own personal checklists. You can use maps and graphs to quickly see how many species can be found in a given region and at various times of year, for instance. If you import your own sightings in myAvibase, you can also view how many new species (lifers) you could add to your lifelist on your next trip and decide when and where you should go. For some additional details on the types of reports available, please click here.

People who participate in eBird can very simply import their lifelist from their eBird account with a click of a button. MyAvibase also offers more features, such as the ability to chose which taxonomy you want to follow (Clements, IOC, etc.) as well as the ability to compare your lifelist the various lists to each other. Best of all, myAvibase is available for free!. (Please understand however that I am unable to provide personalized support, and may not be able to respond to your requests for assistance).


Avibase blog

2014-12-01: I have now finished incorporating the latest IOC checklist (version 4.04) changes into Avibase. There are, as usual, quite a number of changes, many of which had already been introduced in other taxonomies such as AOU, Clements or Howard and Moore. Among the notable splits, Clapper Rail is split in 3 species (Rallus longirostris, R. crepitans and R. obsoletus), King Rail in 2 species (Rallus elegans and R. tenuirostris), Blue-eared Barbet in 2 species (Psilopogon australis and P. duvaucelii), Brown Barbet in 2 (Caloramphus fuliginosus and C. hayii), Swallow-tailed Cotinga in 2 (Phibalura flavirostris and P. boliviana), Blackish Antbird in 2 (Cercomacra nigrescens and C. fuscicauda), Hooded Whistler in 2 (Pachycephala implicata and P. richardsi), Two-banded Warbler in 2 (Myiothlypis bivittata and M. roraimae, reversing a previous lump), Three-striped Warbler is split in 4 species (Basileuterus tristriatus, B. chitrensis, B. tacarcunae and B. punctipectus), and Baywing is split in 2 (Agelaioides badius and A. fringillarius). There are also a number of scientific name and family assignment changes, as well as a number of modifications affecting subspecies (a majority of which are subspecies that are treated as junior synonyms of other existing subspecies, or species that are now treated as monotypic). One of the more complicated changes involve the treatment of the subspecies peruvianus from the American Coot as a color form of the Slate-colored Coot. For a full comparison of the IOC checklists version 4.03 and 4.04, you can look at the Avibase taxonomic comparison tool. You can also read the taxonomic updates from the IOC web site
 
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