百鳥各異（100 Birds）秦建 <p class="ql-block">鳥，又稱作鳥兒。定義：體表被覆羽毛的卵生脊椎動物，鳥的主要特征是：身體呈流線型（紡錘型或梭形），大多數飛翔生活。體表被覆羽毛，一般前肢變成翼（有的種類翼退化）；胸肌發達；直腸短，食量大消化快，即消化系統發達，有助于減輕體重，利于飛行；心臟有兩心房和兩心室，心搏次數快。體溫恒定。呼吸器官除具肺外，還具有多個氣囊輔助呼吸，使得鳥類無論在吸氣和呼氣時，均有氧氣通過肺，即雙重呼吸。</p> <p style="font-family: -webkit-standard; white-space: normal; -webkit-tap-highlight-color: rgba(26, 26, 26, 0.301961); -webkit-text-size-adjust: auto;">美洲禿鷹</h3> <p style="font-family: -webkit-standard; white-space: normal; -webkit-tap-highlight-color: rgba(26, 26, 26, 0.301961); -webkit-text-size-adjust: auto;">林鸛</h3> <h3>大鸚鵡</h3> <p style="font-family: -webkit-standard; white-space: normal; -webkit-tap-highlight-color: rgba(26, 26, 26, 0.301961); -webkit-text-size-adjust: auto;">黃鸚鵡</h3> <h3>黑天鵝</h3> <h3>白鷺</h3> <p style="font-family: -webkit-standard; white-space: normal; -webkit-tap-highlight-color: rgba(26, 26, 26, 0.301961); -webkit-text-size-adjust: auto;">紅翅黑鳥</h3> <p style="font-family: -webkit-standard; white-space: normal; -webkit-tap-highlight-color: rgba(26, 26, 26, 0.301961); -webkit-text-size-adjust: auto;">澳洲銀鷗</h3> <h3>白天鵝</h3> <h3>北美紅雀（雄）</h3> <p style="font-family: -webkit-standard; white-space: normal; -webkit-tap-highlight-color: rgba(26, 26, 26, 0.301961); -webkit-text-size-adjust: auto;">北美紅雀（雌）</h3> <h3>大藍鷺</h3> <h3>紅嘴巨鷗</h3> <h3>海鷗</h3> <h3>褐鵜鶘</h3> <h3>紅腳鰹鳥</h3> <h3>納斯卡鰹鳥</h3> <h3>軍艦鳥</h3> <h3>紅嘴熱帶鳥</h3> <h3>漫游鷸</h3> <h3>熔巖鷺</h3> <p style="font-family: -webkit-standard; white-space: normal; -webkit-tap-highlight-color: rgba(26, 26, 26, 0.301961); -webkit-text-size-adjust: auto;">燕尾鷗</h3> <h3>美洲蠣鷸</h3> <h3>黑頸長腳鷸</h3> <h3>藍腳鰹鳥</h3> <h3>不會飛的鸕鶿</h3> <h3>小海燕</h3> <h3>條紋鷺</h3> <h3>杓鷂</h3> <h3>加拉帕戈斯鵜鶘</h3> <h3>朱砂鹟</h3> <h3>牛背鷺</h3> <h3>達爾文雀（1）</h3> <h3>達爾文雀（2）</h3> <p style="font-family: -webkit-standard; white-space: normal; -webkit-tap-highlight-color: rgba(26, 26, 26, 0.301961); -webkit-text-size-adjust: auto;">玫瑰琵嘴鷺</h3> <p style="font-family: -webkit-standard; white-space: normal; -webkit-tap-highlight-color: rgba(26, 26, 26, 0.301961); -webkit-text-size-adjust: auto;">鸕鶿</h3> <h3>鸚鵡</h3> <h3>鷯哥</h3> <p style="font-family: -webkit-standard; white-space: normal; -webkit-tap-highlight-color: rgba(26, 26, 26, 0.301961); -webkit-text-size-adjust: auto;">鸊?</h3> <h3>棕頭鷺</h3> <h3>加拿大大雁</h3> <h3>紅頭啄木鳥</h3> <p style="font-family: -webkit-standard; white-space: normal; -webkit-tap-highlight-color: rgba(26, 26, 26, 0.301961); -webkit-text-size-adjust: auto;">白胸五子雀</h3> <h3>黑眼草鳥</h3> <h3>白喉麻雀</h3> <p style="font-family: -webkit-standard; white-space: normal; -webkit-tap-highlight-color: rgba(26, 26, 26, 0.301961); -webkit-text-size-adjust: auto;">冠形捕蠅鳥</h3> <h3>阿爾巴鳥</h3> <h3>大烏鴉</h3> <h3>雅各賓鴿</h3> <h3>浪漫鴿</h3> <h3>黑頭海鷗</h3> <h3>北美歌雀</h3> <h3>高地磯鷂</h3> <h3>角貓頭鷹</h3> <h3>蜂鳥（1）</h3> <h3>蜂鳥（2）</h3> <h3>帆背潛鴨</h3> <h3>棕硬尾鴨</h3> <h3>水牛鴨</h3> <h3>黑頸天鵝</h3> <h3>北美鴛鴦</h3> <h3>鴿子</h3> <h3>黑冠山雀</h3> <h3>北方閃鳥</h3> <h3>金翅雀</h3> <h3>美洲鶇</h3> <h3>玫瑰胸松雀</h3> <h3>灰貓鵲</h3> <h3>北美鴨</h3> <p style="font-family: -webkit-standard; white-space: normal; -webkit-tap-highlight-color: rgba(26, 26, 26, 0.301961); -webkit-text-size-adjust: auto;">雪鸮</h3> <p class="ql-block">沙丘鶴</p> <h3>小藍鷺</h3> <h3>綠鷺</h3> <h3>美洲蛇鳥（雄）</h3> <h3>美洲蛇鳥（雌）</h3> <h3>紅肩鷹</h3> <h3>歐洲雛鳥</h3> <h3>火雞頭禿鷲</h3> <h3>鶚</h3> <p style="font-family: -webkit-standard; white-space: normal; -webkit-tap-highlight-color: rgba(26, 26, 26, 0.301961); -webkit-text-size-adjust: auto;">麝香鴨</h3> <h3>白朱鷺</h3> <h3>翠鳥</h3> <h3>白鷺鷥</h3> <h3>海鳩</h3> <h3>角嘴海雀</h3> <h3>北極鼻管鷗</h3> <h3>巴爾第摩黃鸝</h3> <h3>秋沙鴨</h3> <h3>金眼鴨</h3> <h3>火雞</h3> <h3>鷹</h3> <h3>藍松鴉</h3> <h3>亞洲鴛鴦</h3> <h3>烏鴉</h3> <p style="font-family: -webkit-standard; white-space: normal; -webkit-tap-highlight-color: rgba(26, 26, 26, 0.301961); -webkit-text-size-adjust: auto;">白鵜鶘</h3> <p class="ql-block">謝謝你的觀賞！</p>