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ZEISS DTI thermal imaging cameras. For more discoveries at night, and during the day.

Recent content by Acanthis

  1. Acanthis

    Nesospiza

    Another good question is how on Earth did those little Melanodera tanagers colonise such far-flung islands not once, but actually twice? I doubt very much that either current mainland species could repeat that feat.
  2. Acanthis

    Time calibration and Linnean ranks in birds

    Already an update required for the next version of L'inventaire 😉
  3. Acanthis

    Time calibration and Linnean ranks in birds

    Yeah that's a firmer placing. Still a pretty early divergence
  4. Acanthis

    Time calibration and Linnean ranks in birds

    I recall Sporopipes has an interesting position with regard to the other Ploceids. Though perhaps it isn't well supported? Can't check at the moment
  5. Acanthis

    Latest IOC Diary Updates

    🤣 Actually, ignore my earlier comments. They're not too bad as names go
  6. Acanthis

    Latest IOC Diary Updates

    Come on, it's Hungarian maybe? Not too difficult 🤣🤣🤣
  7. Acanthis

    Latest IOC Diary Updates

    Oh no one is going to listen to my quiet little plea for better thought-out, more memorable names😊 If I ever get to see these species I'll probably wind up using the scientific names on my life list. Maybe its just a personal psychological trait. To give an example, I have seen 2 species of...
  8. Acanthis

    Latest IOC Diary Updates

    Oh God! Those replacements are almost instantly forgettable!
  9. Acanthis

    Time calibration and Linnean ranks in birds

    Pretty much 'snap!' I'll check for differences but it looks much the same as I worked out, and very satisfying it was too😌
  10. Acanthis

    Time calibration and Linnean ranks in birds

    It's very much a work in progress but I will tidy up a copy and email it to you👍
  11. Acanthis

    Time calibration and Linnean ranks in birds

    I did and on checking the book it appears that I was looking at the unconstrained tree in error earlier this morning. The book's main results are derived from the constrained tree. If you were to use the unconstrained ages for the core Tyrannidae there would be four clades older than 14 my...
  12. Acanthis

    Time calibration and Linnean ranks in birds

    OK so the core Tyrannidae is intact with all represented clades less than 15 my old. Perhaps I should have written Tyrannides. Anyway Pipromorphidae and Tachurisidae separate - no surprises! Platyrinchidae has a split around 18mya between Platyrinchus and Neopipo Tityridae has a similar but...
  13. Acanthis

    Time calibration and Linnean ranks in birds

    Yup! I'm looking at "The Largest Avian Radiation" 's dated phylogenetic tree right now and that works for many traditional families. And for those of us who like odd or unusual splits, there are a few unexpected delights. For instance Turdidae and Tyrannidae😊
  14. Acanthis

    Time calibration and Linnean ranks in birds

    Cool! There's one or two of these I hadn't considered separating since time-calibration wasn't my top priority, but will give them another look now. Thanks!👌
  15. Acanthis

    Time calibration and Linnean ranks in birds

    Very interesting!🤔 I must ponder over these as soon as I have some time
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