Cyathus striatus
- Project by Fareen Huda on the Bird's Nest Fungus, with photographs and information on its classification, habitat, life history and reproduction.
- http://acadweb.uwlax.edu/07Spring/SAH/BIO203/huda_fare/

Crucibulum vulgare
- Photograph and information on this bird’s nest fungus.
- http://botit.botany.wisc.edu/toms_fungi/crucibulum.html

California Fungi: Nidula candida
- Commonly known as the bird’s nest fungus, a photograph of this species and links to several other photographs.
- http://www.mykoweb.com/CAF/species/Nidula_candida.html

Cyathus olla
- Photograph of this species, aptly known as the bird’s nest fungus.
- http://www.uoguelph.ca/~gbarron/MISC2006/aug2006.htm