- Anseriformes(4)
- Apodiformes(5)
- Charadriiformes(3)
- Ciconiiformes(4)
- Columbiformes(2)
- Cuculiformes(1)
- Falconiformes(8)
- Galliformes(5)
- Gruiformes(2)
- Passeriformes(7)
- Piciformes(6)
- Psittaciformes(8)
- Sphenisciformes(8)
- Strigiformes(12)
- Struthioniformes(2)
- Birds of North America
- bna.birds.cornell.edu
- A reference series on North American birds, with information and sample profiles.
4.3
(si*)
>220
-
6
- The Internet Bird Collection
- ibc.lynxeds.com
- Video library of footage of the world's birds, sponsored by the Handbook of the Birds of the World.
4.3
(si*)
>2090
>240
6
- Handbook of the Birds of the World
- www.hbw.com
- Information about the book series that will illustrate and deal in detail with all the species of birds in the world. Tables of contents, sample pages, and publication schedule.
4.2
(si*)
>1210
-
6
- Birds Wiki
- birds.wikia.com
- Online field guide that invites readers to add to and edit.
3.8
(si*)
<10
-
3
- A Field Guide to the Birds on the Web
- fieldguide.tripod.com
- Links to pictures, sounds, and video of the birds of the world, systematically indexed.
3.7
(si*)
-
-
4
- Virtual Bird
- www.virtual-bird.com
- A collection of bird photographs, videos, and songs from North America and Europe (mainly Finland).
3.6
(si*)
<10
-
4
- Birds of Pampas Plain
- www.avespampa.com.ar
- Provides information and photographs of over 600 bird species that can be seen in Argentina.
3.5
(si*)
<10
-
4
- Bird Hybrids Database
- www.bird-hybrids.com
- Worldwide database compiled from the ornithological literature of birds with two different species as parents. Includes complete references for each species combination. In English, French, and Spanish.
3.4
(si*)
>10
-
4
- Mango Verde
- www.mangoverde.com
- Photos and sounds for almost 2000 bird species; field guide quick indices.
3.4
(si*)
>10
<5
4
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