平特五不中 News - wings /channels/news_feeds/all/term/wings/rss en How birds got their wings /channels/news/how-birds-got-their-wings-230586 <div class="field field-name-body field-type-text-with-summary field-label-hidden"><div class="field-items"><div class="field-item even"><p>Birds originated from a group of small, meat-eating theropod dinosaurs called maniraptorans sometime around 150 million years ago. Recent findings from around the world show that many maniraptorans were very bird-like, with feathers, hollow bones, small body sizes and high metabolic rates.聽</p> <p></div></div></div><div class="field field-name-field-primary-image field-type-image field-label-hidden"><div class="field-items"><div class="field-item even"><img class="no-float" src="/channels/files/channels/styles/wysiwyg_medium/public/channels/image/archaeopteryx_-_michael_skrepnick.jpg?itok=RssjdPGS" width="160" height="123" /></div></div></div><div class="field field-name-field-published-date field-type-datestamp field-label-hidden"><div class="field-items"><div class="field-item even"><div class="custom-multi-date"><div class="multi-date first"><span class="label">Published: </span><span class="day">17 </span><span class="month">September </span><span class="year">2013</span></div></div></div></div></div> Tue, 17 Sep 2013 16:48:12 +0000 webfull 98755 at /channels