tag:blogger.com,1999:blog-2957508894479326242.post6109420183565510304..comments2024-03-18T08:00:23.083+00:00Comments on TrogTrogBlog: Hawkeyetrogtrogbloghttp://www.blogger.com/profile/12393331921469572350noreply@blogger.comBlogger1125tag:blogger.com,1999:blog-2957508894479326242.post-72466712823217623572017-02-14T17:46:14.424+00:002017-02-14T17:46:14.424+00:00Fascinating. Learned a lot from that. There's ...Fascinating. Learned a lot from that. There's a need to study bird physiology and anatomy more! I noted Chris O'B comments re the respiratory system having read about it a few days ago. All very interesting!PCAhttps://www.blogger.com/profile/05156466410523726538noreply@blogger.com