Free Study Guides, Book Notes, Book Reviews & More...
Pay it forward... Tell others about Novelguide.com
Discover! Explore! Learn...
Studyworld.com
(Perching birds)
Class Aves
Order Passeriformes
Number of families Approximately 74
Number of genera, species Approximately 1,161 genera and 5,700 species
[Editor's note: full article is in volume 10]
If you can see this, your browser doesn't understand IFRAME. However, we'll still link you to the file.
Oakwood Publishing Company:
SAT; ACT; GRE
Study Material