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  1. jurek

    Listing sub species

    Sibley bird guide makes it very sensibly. It presents subspecies of many birds in groups like "North-Western" "Eastern" but does not give names explicitly because subspecies are not well researched, hybridize, and within groups some are not distinguishable in the field. I especially wanted to...
  2. jurek

    Listing sub species

    Not, taxonomists who had no skills to use anything more complex than excel. That is why we talk only about clearly different subspecies. Although, to be fair, there is a number of bird species which, too, are distinguished mostly by range.
  3. jurek

    Listing sub species

    I use an excel sheet and have a separate field where I list them. E.g. also ssp. X Y. Actually, biodiversity is a science seriously compromised by Microsoft. Traditionally, lists of species were done in Microsoft Excel, which can only give a field or no field. This led to a drive to split...
  4. jurek

    Listing sub species

    Many people list distinctive subspecies like Siberian Chiffchaff or White-headed Long-tailed Tit. I hope authorities like BOURC and ABA make a list of recognizable species and subspecies (not some clinal forms, but distinctive subspecies). This could be adopted as a twitching list, and takes...
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