• 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. P

    Furnariidae

    No, their reasoning is that if hoffmannsi, which is considered a species, has only 1.94% divergence, then taxa with more than that should also be considered species. They don't necessarily consider 2% a threshold value. Personally I think also many geneticists are gradually becoming aware that...
  2. P

    Furnariidae

    From a quick read I understand they propose to split D. certhia into 7 species (including the juruanus taxon). The main reason is if I read well that D. hoffmansi only differs 1.95% mtDNA from D. picumnus, while the 7 taxa within D. certhia differ an average 2.4%. Obviously, an alternative...
  3. P

    Furnariidae

    In fact, Freeman and Montgomery (2017) did not analyze voice, they showed a different response in playback experiments. Vocal differences have been described elsewhere prior to these playback experiments.
Back
Top