This image comes from the 4th edition of Meyers Konversationslexikon (1885-90), it is therefore Public Domain. 动物 鸟 家禽 家禽 3
Source: Wikimedia Commons This image was donated by Pearson Scott Foresman, an educational publisher, to Wikimedia Commons, and is thereby in the Public Domain. 动物 鸟 燕子 悬崖燕子
An Oriental Magpie Robin. If you need a simple shape, just remove the top glossy layer. 东部 喜鹊 罗宾 东方喜鹊罗宾
This image was donated by Pearson Scott Foresman, an educational publisher, to Wikimedia Commons, and is thereby in the Public Domain. --- See http://commons.wikimedia.org/wiki/Category:Pearson_Scott_Foresman_publisher 动物 鸟 蜂鸟 蜂鸟
This image was donated by Pearson Scott Foresman, an educational publisher, to Wikimedia Commons, and is thereby in the Public Domain. --- See http://commons.wikimedia.org/wiki/Category:Pearson_Scott_Foresman_publisher 动物 鸟 生物学 游隼
This image was donated by Pearson Scott Foresman, an educational publisher, to Wikimedia Commons, and is thereby in the Public Domain. --- See http://commons.wikimedia.org/wiki/Category:Pearson_Scott_Foresman_publisher 动物 鸟 鹳 鹳
This image comes from the 4th edition of Meyers Konversationslexikon (1885-90), it is therefore Public Domain. 动物 鸟 家禽 家禽 2
A white dove with an olive branch in its mouth flies over our fragile planet. The Freedom Bird 自由 鸟 世界 自由鸟
Source: Wikimedia Commons This image was donated by Pearson Scott Foresman, an educational publisher, to Wikimedia Commons, and is thereby in the Public Domain. 动物 鸟 金源 鹰 2
This image was donated by Pearson Scott Foresman, an educational publisher, to Wikimedia Commons, and is thereby in the Public Domain. --- See http://commons.wikimedia.org/wiki/Category:Pearson_Scott_Foresman_publisher 动物 鸟 生物学 鹬
This image was donated by Pearson Scott Foresman, an educational publisher, to Wikimedia Commons, and is thereby in the Public Domain. --- See http://commons.wikimedia.org/wiki/Category:Pearson_Scott_Foresman_publisher 动物 鸟 生物学 海燕
This image was donated by Pearson Scott Foresman, an educational publisher, to Wikimedia Commons, and is thereby in the Public Domain. --- See http://commons.wikimedia.org/wiki/Category:Pearson_Scott_Foresman_publisher 动物 鸟 生物学 瑞涯
This image was donated by Pearson Scott Foresman, an educational publisher, to Wikimedia Commons, and is thereby in the Public Domain. --- See http://commons.wikimedia.org/wiki/Category:Pearson_Scott_Foresman_publisher 动物 鸟 生物学 秘书鸟
This image was donated by Pearson Scott Foresman, an educational publisher, to Wikimedia Commons, and is thereby in the Public Domain. --- See http://commons.wikimedia.org/wiki/Category:Pearson_Scott_Foresman_publisher 动物 鸟 生物学 大嘴鸟
This image comes from the 4th edition of Meyers Konversationslexikon (1885-90), it is therefore Public Domain. 动物 鸟 鸽 鸽 3
Source: Wikimedia Commons This image was donated by Pearson Scott Foresman, an educational publisher, to Wikimedia Commons, and is thereby in the Public Domain. 动物 鸟 康达 康达
Souce: Wikimedia Commons This image was donated by Pearson Scott Foresman, an educational publisher, to Wikimedia Commons, and is thereby in the Public Domain. 动物 鸟 白鹭 白鹭 1
This image was donated by Pearson Scott Foresman, an educational publisher, to Wikimedia Commons, and is thereby in the Public Domain. --- See http://commons.wikimedia.org/wiki/Category:Pearson_Scott_Foresman_publisher 动物 鸟 生物学 番鸭
Various thrushes, circa 1850. Clockwise from top, the Little Tawny Thrush (merula minor), Richardson's Thrush (Richardsonii), the Tawny Thrush (Turdus Wilsonii), the Water Thrush (aquatica), Audubon's Thrush (Ludoviciana) and the Golden-Crowned Thrush (auricapilla). Engraved by John Miller after A. Wilson and Captain Brown. (Photo by Hulton Archive/Getty Images) 白色背景 1850-1859 动物主题 Thrushes
Source: Wikimedia Commons This image was donated by Pearson Scott Foresman, an educational publisher, to Wikimedia Commons, and is thereby in the Public Domain. 动物 鸟 柯卢 柯卢
This image was donated by Pearson Scott Foresman, an educational publisher, to Wikimedia Commons, and is thereby in the Public Domain. --- See http://commons.wikimedia.org/wiki/Category:Pearson_Scott_Foresman_publisher 动物 鸟 生物学 愁
This image was donated by Pearson Scott Foresman, an educational publisher, to Wikimedia Commons, and is thereby in the Public Domain. --- See http://commons.wikimedia.org/wiki/Category:Pearson_Scott_Foresman_publisher 动物 鸟 生物学 鹦鹉
This image was donated by Pearson Scott Foresman, an educational publisher, to Wikimedia Commons, and is thereby in the Public Domain. --- See http://commons.wikimedia.org/wiki/Category:Pearson_Scott_Foresman_publisher 动物 鸟 生物学 松鸡
This image was donated by Pearson Scott Foresman, an educational publisher, to Wikimedia Commons, and is thereby in the Public Domain. --- See http://commons.wikimedia.org/wiki/Category:Pearson_Scott_Foresman_publisher 动物 鸟 生物学 Snakebird
This image comes from the 4th edition of Meyers Konversationslexikon (1885-90), it is therefore Public Domain. 动物 鸟 鹅 鹅
This image comes from the 4th edition of Meyers Konversationslexikon (1885-90), it is therefore Public Domain. 动物 鸟 鸽 鸽 1
Source: Wikimedia Commons This image was donated by Pearson Scott Foresman, an educational publisher, to Wikimedia Commons, and is thereby in the Public Domain. 动物 鸟 鸬鹚 鸬鹚
Source: Wikimedia Commons This image was donated by Pearson Scott Foresman, an educational publisher, to Wikimedia Commons, and is thereby in the Public Domain. 动物 鸟 起重机 蓑羽鹤
Source: Wikimedia Commons This image was donated by Pearson Scott Foresman, an educational publisher, to Wikimedia Commons, and is thereby in the Public Domain. 动物 鸟 生物学 Dotterel
Source: Wikimedia Commons This image was donated by Pearson Scott Foresman, an educational publisher, to Wikimedia Commons, and is thereby in the Public Domain. 动物 鸟 白鹭 白鹭 2
This image was donated by Pearson Scott Foresman, an educational publisher, to Wikimedia Commons, and is thereby in the Public Domain. --- See http://commons.wikimedia.org/wiki/Category:Pearson_Scott_Foresman_publisher 动物 鸟 生物学 Scissortail