Lukas VFN 🇪🇺<p>New research finds <a href="https://scholar.social/tags/fluorescence" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>fluorescence</span></a> in feathers of Long-eared Owls<br><a href="https://phys.org/news/2025-04-fluorescence-feathers-eared-owls.html" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">phys.org/news/2025-04-fluoresc</span><span class="invisible">ence-feathers-eared-owls.html</span></a></p><p>Fluorescent pigment concentration correlated with age, sex, and size in <a href="https://scholar.social/tags/LongEaredOwl" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>LongEaredOwl</span></a> (Asio otus) plumage <a href="https://www.tandfonline.com/doi/full/10.1080/15594491.2024.2444031" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://www.</span><span class="ellipsis">tandfonline.com/doi/full/10.10</span><span class="invisible">80/15594491.2024.2444031</span></a> </p><p>"female Long-eared <a href="https://scholar.social/tags/Owls" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Owls</span></a> have a much higher concentration of these pigments in their feathers, challenging a common misconception that colorful <a href="https://scholar.social/tags/plumage" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>plumage</span></a> is a male trait... We are only beginning to describe fluorescent pigments in <a href="https://scholar.social/tags/birds" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>birds</span></a> and other vertebrates"</p>