enow.com Web Search

Search results

1. Results from the WOW.Com Content Network

2. Bird (mathematical artwork) - Wikipedia

   en.wikipedia.org/wiki/Bird_(mathematical_artwork)

   The set of the 20,001 circles defined above form a subset of the plane that resembles a flying bird. Although this version's equations are a lot more complicated than the version made of 500 segments, it has a better resemblance to a real flying bird.

3. Ornithology - Wikipedia

   en.wikipedia.org/wiki/Ornithology

   The use of field glasses or telescopes for bird observation began in the 1820s and 1830s, with pioneers such as J. Dovaston (who also pioneered in the use of bird feeders), but instruction manuals did not begin to insist on the use of optical aids such as "a first-class telescope" or "field glass" until the 1880s.

4. File:Handbook of birds of eastern North America (IA ...

   en.wikipedia.org/wiki/File:Handbook_of_birds_of...

   Cover title: Birds of eastern North America "With keys to the species and descriptions of their plumages, nests, and eggs, their distribution and migrations, and a brief account of their haunts and habits, with introductory chapters on the study of ornithology, how to identify birds, and how to collect and preserve birds, their nests, and eggs."

5. File:An illustrated manual of British birds (IA ...

   en.wikipedia.org/wiki/File:An_illustrated_manual...

   Main page; Contents; Current events; Random article; About Wikipedia; Contact us

6. File:The birds of Australia (IA birdsAustraliav7Goul).pdf

   en.wikipedia.org/wiki/File:The_birds_of...

   Main page; Contents; Current events; Random article; About Wikipedia; Contact us; Donate

7. File:Manual of the birds of New Zealand (IA ...

   en.wikipedia.org/wiki/File:Manual_of_the_birds...

   Main page; Contents; Current events; Random article; About Wikipedia; Contact us; Pages for logged out editors learn more

8. Origin of avian flight - Wikipedia

   en.wikipedia.org/wiki/Origin_of_avian_flight

   The WAIR hypothesis, a version of the "cursorial model" of the evolution of avian flight, in which birds' wings originated from forelimb modifications that provided downforce, enabling the proto-birds to run up extremely steep slopes such as the trunks of trees, was prompted by observation of young chukar chicks, and proposes that wings ...

9. File:A history of British birds (IA historyofbritish01bewi).pdf

   en.wikipedia.org/wiki/File:A_history_of_British...

   This file contains additional information, probably added from the digital camera or scanner used to create or digitize it. If the file has been modified from its original state, some details may not fully reflect the modified file.