• BirdForum is the net's largest birding community dedicated to wild birds and birding, and is absolutely FREE!

    Register for an account to take part in lively discussions in the forum, post your pictures in the gallery and more.

Search results

  1. U

    Orinda California -

    The first one is a California Towhee; the second is a Spotted Towhee. Rufous-sided Towhee is the old name for both the Spotted Towhee and the Eastern Towhee, back when they were considered to be a single species.
  2. U

    Treecreeper, southwestern Poland

    Thanks very much!
  3. U

    Treecreeper, southwestern Poland

    I took these photos at the end of June in southwestern Poland, in a small wood surrounding a pond; the wood is in turn surrounded by farm fields near a village. It's the first treecreeper I've ever seen in Europe, so I don't have any previous experience with either species. Based on the lack of...
  4. U

    Charadriiformes

    That's correct. This is a *BEAST analysis, which reconstructs a species tree based on sequence data from multiple loci, in a Markov chain process. The algorithm simultaneously reconstructs individual gene trees for each locus, and a species tree. The topology of the individual gene trees...
  5. U

    Collared Crow

    This reference: www.repository.naturalis.nl/document/43939 and this one: www.naturalis.nl/sites/naturalis.en/contents/i000827/snab044.pdf both indicate that Bechstein's description was indeed in Corvus, and hence Lesson's name is permanently unavailable.
Top