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Having read your interesting
and thought-provocative post this morning, about gastroliths, fermentation bags,
and Hoatzin, I wonder if Hoatzin's pouch could be the source of that bird's
often-reported, offensive-to-humans, odor. Can you (or anyone else)
enlighten me on the apparent source of that odor? (Am I off the dino
subject? Not if birds are dinos. -- Oops! Don't want to start a
controversy here! :-)
Incidentally, I read
somewhere (great reference, huh?!) that crocs (or was it alligators, or both?)
carry gastroliths 'for ballast'. Not being Paul Willis or a croc expert at
all, I wonder: (1), Do crocs really have gastroliths?, and; (2), Is or isn't the
ballast interpretation a valid one? [Presuming the answer to question (1) is
yes.]
I like your adage, "All questions are valid; all answers are
tentative", but would still appreciate even tentatively-informed comment on
questions.
Thanks, Ray
Stanford
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