<div dir="ltr"><div class="gmail_default" style="font-size:large;color:#073763">With the Christmas Bird Counts coming up, I want to share some recent analysis I did for six species that are at the northern edge of their wintering range in the PNW. Research suggests many species (especially non-migratory species and short-distance migrants) are shifting their ranges north, both in summer and winter. CBCs, with their long history, are great at tracking large scale distribution changes over time, something that eBird just can't do yet. A lot of publications are now using CBC data to track climate change issues. </div><div class="gmail_default" style="font-size:large;color:#073763"><br></div><div class="gmail_default" style="font-size:large;color:#073763">I looked at <b>Cedar Waxwing, Hermit Thrush, White-crowned Sparrow, Lincoln's Sparrow, Orange-crowned Warbler, and Yellow-rumped Warbler</b>. I found all were increasing, to some degree or another, on CBCs in the PNW. </div><div class="gmail_default" style="font-size:large;color:#073763"><br></div><div class="gmail_default" style="font-size:large;color:#073763">The details and graphs are here:</div><b><font size="4"><a href="https://thecottonwoodpost.net/2022/10/07/heading-south-for-winter-more-birds-are-choosing-the-pacific-northwest/">Heading south for winter, more birds are choosing the Pacific Northwest</a></font></b><div><font size="4"><b><br></b></font></div><div><font size="4"><span class="gmail_default" style="font-size:large;color:rgb(7,55,99)">----</span><br></font><div class="gmail_default" style="font-size:large;color:#073763"><br></div><div class="gmail_default" style="font-size:large;color:#073763">Previously, I've posted about the expansion of <a href="https://thecottonwoodpost.net/2021/10/28/mapping-the-expansion-of-the-california-scrub-jay-into-the-pacific-northwest/">California Scrub-Jays</a> and <a href="https://thecottonwoodpost.net/2021/03/15/the-song-of-the-lesser-goldfinch-another-harbinger-of-a-warming-climate/">Lesser Goldfinches</a>, as well as a number of non-migratory species (Anna's Hummingbird, Black Phoebe, others) <b style="color:rgb(34,34,34)"><a href="https://thecottonwoodpost.net/2020/03/09/the-invasion-of-the-pacific-northwest-californias-birds-expand-north-with-warmer-winters/">The invasion of the Pacific Northwest: California’s birds expand north with warmer winters</a></b></div><div class="gmail_default" style="font-size:large;color:#073763"><br></div><div class="gmail_default" style="font-size:large;color:#073763">Our CBC data is being used!  </div><div class="gmail_default" style="font-size:large;color:#073763"><br></div><div class="gmail_default" style="font-size:large;color:#073763">good birding, </div><div class="gmail_default" style="font-size:large;color:#073763"><br></div><div><br></div>-- <br><div dir="ltr" class="gmail_signature" data-smartmail="gmail_signature"><div dir="ltr"><div><div><font size="4" color="#073763"><span></span>Steve Hampton<span></span></font></div><div>Port Townsend, WA  (<span style="color:rgb(0,0,0);font-family:verdana,arial,sans-serif;font-size:13px">qatáy</span>)</div></div><br><div><font color="#073763"><i><br></i></font></div></div></div></div></div>