Rainforest Biodiversity Group
- Non-profit organization dedicated to the preservation of the Great Green Macaw and its habitat in Costa Rica. (Formerly 'Friends of the Great Green Macaw')
- http://www.greatgreenmacaw.org/index.htm

Tambopata Macaw Project
- Research on macaws and parrots from southeastern Peru. Includes reports, articles and scientific publications on birds that nest in termite mounds, parrot geophagy, and macaw conservation and management.
- http://www.duke.edu/~djb4/

School Report: Ten Wild Macaw Facts
- Learn about where they live, what they eat, how they nest, why they are at risk, and how long they live.
- http://freespace.virgin.net/susan.armitage/schoolreport.HTM

Macaw Landing Foundation
- Dedicated to the preservation of macaws through research, public education, and ecotourism. Newsletter, macaws on the endangered species list and field projects. Located in Portland, Oregon.
- http://www.macawlanding.org/

Green Winged Macaw
- A comprehensive site containing information about the habitat, status, range, life cycle, and diet of this amazing bird.
- http://www.rollinghillswildlife.com/animals/m/macawgreenwinged/

Blue Macaws
- Information, photos and articles about Hyacinth, Lear's and Spix's Macaws in the wild, and the extinct Glaucous Macaw. [English, Portuguese, Spanish, and German]
- http://www.bluemacaws.org/