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.
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...
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...
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.
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