• Welcome to BirdForum, the internet's largest birding community with thousands of members from all over the world. The forums are dedicated to wild birds, birding, binoculars and equipment and all that goes with it.

    Please register for an account to take part in the discussions in the forum, post your pictures in the gallery and more.
ZEISS DTI thermal imaging cameras. For more discoveries at night, and during the day.

Search results

thxpress_search_the_forum Search Opus
  1. T

    Time calibration and Linnean ranks in birds

    For me it's opportunity for evolution (equal "time passed"). And then to understand which lineages evolve faster/slower and why
  2. T

    Time calibration and Linnean ranks in birds

    The second, the similarity thingy, isn't in any sense objective or repeatable. It could be made more so, but only with respect to a limited set of dimensions of difference---not the whole set
  3. T

    Time calibration and Linnean ranks in birds

    The nub of this is "what is the point of the classification"? Basically, from a scientific point of view a time-based approach (perhaps where time is measured as generations) is the only way you'll get "equal" taxa. And here "equal" means equal opportunity to diverge---whether they have done or...
Back
Top