|
Birds are bipedal, warm-blooded, egg-laying vertebrates characterized primarily by feathers, forelimbs modified as wings, and hollow bones. This category contains taxa at the order or higher level in the class of Aves.
For individual species of birds, see the subcategories, particularly category:Birds by classification and category:Birds by country.
Click to see Category Tree for: |
---|
Subcategories
This category has the following 31 subcategories, out of 31 total.
*
A
B
C
E
F
H
I
M
O
P
S
T
W
Σ
Pages in category "Birds"
The following 39 pages are in this category, out of 39 total. This list may not reflect recent changes (learn more).