<p style="font-size: 12px;color:#aaa;">版权引用：<a href="https://www.pexels.com/photo/close-up-of-a-male-american-goldfinch-spinus-tristis-molting-into-breeding-plumage-during-early-spring-11960563/"><span style="font-size: 12px;color:black;">“Close up of a male American Goldfinch (Spinus tristis) molting into breeding plumage during early spring.”</span> </a>由 <a href="https://www.pexels.com/@aaron-j-hill-3434251"><span style="font-size: 12px;color:black;">Aaron J Hill</span></a> 授权许可 <span><a href="https://www.pexels.com/photo-license/" target="_blank" style="font-size: 12px;color:black;">Pexels License<img src="" style="display: inline-block;height: 16px;width: auto;"></a></span></p>