Short-Beaked Echidna
- Compares this animal to the platypus, describes its vision, and spikes.
- http://www.discovertasmania.com.au/home/index.cfm?SiteID=133&subsiteid=592

Echidnas
- A poem about the characteristics of the animal
- http://www.ilovepoetry.com/viewpoem.asp?id=57566

Wikipedia: Echidna
- Encyclopedia article that gives a brief physical description of this animal.
- http://en.wikipedia.org/wiki/Echidna

Wildlife of Tasmania: Echidna
- Description, distribution, behavior, breeding, diet, status, and further reading.
- http://www.parks.tas.gov.au/wildlife/mammals/echidna.html