In the manner of Albrecht Dürer | Bittern's Wings: study showing both sides | The Metropolitan Museum of Art
![Study of a Wing, Francis Augustus Lathrop, American, 1849 - 1909, Graphite on paper, Wing shown with diagram labels of wing structure., USA, ca. 1895, animals, Drawing Stock Photo - Alamy Study of a Wing, Francis Augustus Lathrop, American, 1849 - 1909, Graphite on paper, Wing shown with diagram labels of wing structure., USA, ca. 1895, animals, Drawing Stock Photo - Alamy](https://c8.alamy.com/comp/2DME0BF/study-of-a-wing-francis-augustus-lathrop-american-1849-1909-graphite-on-paper-wing-shown-with-diagram-labels-of-wing-structure-usa-ca-1895-animals-drawing-2DME0BF.jpg)
Study of a Wing, Francis Augustus Lathrop, American, 1849 - 1909, Graphite on paper, Wing shown with diagram labels of wing structure., USA, ca. 1895, animals, Drawing Stock Photo - Alamy
![Study of a wing, possibly for 'The Wounded Heron' | Works of Art | RA Collection | Royal Academy of Arts Study of a wing, possibly for 'The Wounded Heron' | Works of Art | RA Collection | Royal Academy of Arts](https://d1inegp6v2yuxm.cloudfront.net/royal-academy/image/upload/c_limit,cs_tinysrgb,dn_72,f_auto,fl_progressive.keep_iptc,w_1200/cm2skd3fuzmputrnh0v4.jpeg)
Study of a wing, possibly for 'The Wounded Heron' | Works of Art | RA Collection | Royal Academy of Arts
![Landmark protocol for wings. (A) Anatomy of a bird wing, handwing-gray... | Download Scientific Diagram Landmark protocol for wings. (A) Anatomy of a bird wing, handwing-gray... | Download Scientific Diagram](https://www.researchgate.net/publication/351652518/figure/fig1/AS:1118422779858944@1643664178608/Landmark-protocol-for-wings-A-Anatomy-of-a-bird-wing-handwing-gray-portion.png)