<div dir="ltr"><div>Interesting. Are these birds territorial/demanding of personal space away from the breeding grounds? I believe this is an immature bird who wouldn't be looking to breed. OR maybe they just pratice some behaviours the way that young passerines practice singing?</div><div><br></div><div>Louise Rutter</div><div>Kitrkland<br></div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Thu, Aug 15, 2024 at 12:11 AM Dan Reiff via Tweeters <<a href="mailto:tweeters@u.washington.edu">tweeters@u.washington.edu</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir="ltr">No, I have not named the bird "Bobby, the booby".<div><br><div>Corrections: <br><div>Hello Tweeters Community,<div>I was able to "film" (video capture) the Booby's behavior for a few hours last week. Neat bird!</div><div>As often happens, I was later able to see details of behavior on my 27 inch IMac screen that I did not notice in the field.</div><div>I now have about 200TB of birds and their behaviors, mostly in 4K, 10 Bit, 422. For me, Filming is Very challenging to do and fun- and sometimes frustrating, disappointing or wondrous and it has helped me learn a lot about birds, including their species specific and individual behaviors. I enjoy filming all bird species I find and have a special interest in Owl and Nightjar species and their behaviors.</div><div>The bird slowly walked from the usual roosting spot on the building ridge directly down to the mid roof. It stopped among the Heermann's gulls, which tend to squabble with conspecifics. It then began what appeared to be Forward Head Waving.</div><div><span style="color:rgb(51,51,51);font-family:Roboto,Arial,sans-serif;font-size:14px">"Forward Head Waving (a ritualised, aggressive, site‐ownership display)".</span><span style="color:rgb(51,51,51);font-family:Roboto,Arial,sans-serif;font-size:14px"> </span></div><div> </div><h1 style="margin-top:0px;font-weight:400;font-size:1.375rem;line-height:1.2;margin-bottom:0px;padding:10px 0px 5px">(The breeding behaviour of the Red-footed Booby Sula sula</h1><div style="padding-top:5px"><div style="margin-top:0px;font-size:0.875rem;line-height:1.3;margin-bottom:5px"><ul style="list-style:none;margin:0px;padding:0px;color:inherit;font-size:0.875rem;line-height:1"><li style="line-height:1.3;margin-bottom:0.5em;display:inline">April 2008</li><li style="line-height:1.3;display:inline">Ibis 111(3):357 - 385</li></ul></div><div style="margin-top:0px;font-size:0.875rem;line-height:1.3;margin-bottom:5px"><ul style="list-style:none;margin:0px;padding:0px;color:inherit;font-size:0.875rem;line-height:1"><li style="line-height:1.3;display:inline">111(3):357 - 385</li></ul></div><div style="margin-top:0px;font-size:0.875rem;line-height:1.3;margin-bottom:5px">DOI:<a rel="noopener" href="http://dx.doi.org/10.1111/j.1474-919X.1969.tb02550.x" style="color:inherit;outline:none;padding:0px;margin:0px;font-size:inherit;font-family:inherit;font-weight:inherit;border:0px;background:none;text-align:inherit;display:inline" target="_blank">10.1111/j.1474-919X.1969.tb02550.x</a></div></div><div style="margin:10px 0px;font-weight:700;font-size:0.875rem;line-height:1.3">Authors: <a href="https://www.researchgate.net/scientific-contributions/J-B-Nelson-83994309?_tp=eyJjb250ZXh0Ijp7ImZpcnN0UGFnZSI6InNpZ251cCIsInBhZ2UiOiJwdWJsaWNhdGlvbiJ9fQ" style="color:inherit;font-size:inherit;font-weight:inherit;font-family:inherit;background:none;text-decoration-line:none;outline:none;padding:0px;margin:0px;border:0px;text-align:inherit;display:inline" target="_blank">J. B. NELSON</a><span style="color:rgb(17,17,17);font-family:Roboto,Arial,sans-serif;font-size:12.1739px;font-weight:normal">).</span></div><div style="margin:10px 0px;font-weight:700;font-size:0.875rem;line-height:1.3"><span style="color:rgb(17,17,17);font-family:Roboto,Arial,sans-serif;font-size:12.1739px;font-weight:normal">It first swung its bill back and forth about an inch each way, paused and then two inches, paused, then tail wags, then 3-4 inches, followed by substantial tail wags, then 4-5 five inches to the left then right. The gulls continued to interact with each other, but did not engage the booby.</span></div><div style="margin:10px 0px;font-weight:700;font-size:0.875rem;line-height:1.3"><span style="color:rgb(17,17,17);font-family:Roboto,Arial,sans-serif;font-size:12.1739px;font-weight:normal">The 4K files sizes are very large and I do not currently have a way of sharing them online.</span></div><div style="margin:10px 0px;font-weight:700;font-size:0.875rem;line-height:1.3"><span style="color:rgb(17,17,17);font-family:Roboto,Arial,sans-serif;font-size:12.1739px;font-weight:normal">Dan Reiff, PhD</span></div><div style="margin:10px 0px;font-weight:700;font-size:0.875rem;line-height:1.3"><span style="color:rgb(17,17,17);font-family:Roboto,Arial,sans-serif;font-size:12.1739px;font-weight:normal"><br></span></div><br></div></div></div></div>
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