I suppose it depends entirely on morphology too! Maybe it also depends on how
current they are with the list, are they bang up to date or what.
Cheers
Phil
Website 1: Http://www.sicklebillsafaris.com
Website 2: Http://www.cassowary-house.com.au
On 10/05/2014, at 10:19 PM, Carl Clifford wrote:
> It is interesting to note the variation in the number of extinct species.
> Surely a species is extinct or not extinct. Unless, of course, there is such
> a thing as Schrodinger's birds.
>
> Carl Clifford
>
>> On 10 May 2014, at 18:33, Phil & Sue Gregory <>
>> wrote:
>>
>> The illustrated HBW/ BirdLife Illustrated Checklist is due out shortly as
>> Dave Torr advised, with a pre-publication offer of 145 euros, but remember
>> this is Vol 1 Non-Passerines only, Vol 2 Passerines is scheduled for 2016 so
>> we'll have to wait till then to find out if BirdLife accepts the split of
>> Striated Grassrwen into 4- presumably not if they are going only by
>> morphology, but there seems to be a giant splitfest imminent with their
>> system, with bits and pieces dribbling out!
>> Meantime the Internet Bird Collection gives you access to an amazing range
>> of videos, photos and sound cuts covering something like 90% of world
>> species, and with access to all 16 volumes of HBW that are being updated
>> (not sure if recently published vol 17 is there yet). Costs around 30 euros
>> per annum with sometimes a 10 euro initial joining fee which they seem to
>> waive at times. Highly recommended.
>>
>> Meanwhile Peter Kovalik on Birdforum posted this invaluable comparison of
>> the major checklists:
>> HBW and BirdLife International Checklist Vol 1: Non-passerines:
>>
>> Product details of Volume 1
>> 35 orders • 111 families • 1,009 genera • 4,372 extant species • 99 extinct
>> species
>>
>> IOC 4.2:
>> 39 orders • 108 families • 976 genera • 4,228 extant species • 97 extinct
>> species
>>
>> Clements 6.8:
>> 33 orders • 107 families • 931 genera • 4102 extant species • 57 extinct
>> species
>>
>> Howard & Moore 4:
>> 35 orders • 100 families • 983 genera • 4016 extant species • 56 (49 + 7?)
>> extinct species
>>
>> TiF 2.92:
>> 44 orders • 110 families • 1007 genera • 4324 extant and extinct species
>>
>> BirdLife 6.1:
>> - orders • 98 families • 933 genera • 4023 extant species • 88 extinct
>> species
>> Phil Gregory
>>
>> Website 1: Http://www.sicklebillsafaris.com
>> Website 2: Http://www.cassowary-house.com.au
>>
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