Date: 9/16/20 12:58 am
From: Dan Smith <dan...>
Subject: [texbirds] Beaks and surviving the K-T Extinction
There is an interesting article in the current Smithsonian magazine regarding why birds were the only dinosaurs to survive the K-T extinction 66 million years ago. It seems some avian dinosaurs having earlier evolved beaks may have been a factor. This may have enabled them to feed on some of the persistent nuts and seeds that also survived the holocaust, while those without crushing beaks and gizzards could not process the available food.

https://www.smithsonianmag.com/science-nature/why-birds-survived-and-dinosaurs-went-extinct-after-asteroid-hit-earth-180975801/?utm_source=smithsoniandaily&utm_medium=email&utm_campaign=20200915-daily-responsive&spMailingID=43465652&spUserID=MTEwNzc4OTcwNDEwMAS2&spJobID=1841307444&spReportId=MTg0MTMwNzQ0NAS2 <https://www.smithsonianmag.com/science-nature/why-birds-survived-and-dinosaurs-went-extinct-after-asteroid-hit-earth-180975801/?utm_source=smithsoniandaily&utm_medium=email&utm_campaign=20200915-daily-responsive&spMailingID=43465652&spUserID=MTEwNzc4OTcwNDEwMAS2&spJobID=1841307444&spReportId=MTg0MTMwNzQ0NAS2>

Best,

Dan Smith
<dan...> <mailto:<dan...>
512-451-2632
http://www.wordsmithofaustin.com <http://www.wordsmithofaustin.com/>

"Merchants have no country. The mere spot they stand on does not constitute so strong an attachment as that from which they draw their gains.” Thomas Jefferson, 1814.





 
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