Echidnas: Describes their physical features, food, home and social groups.
Echidnas: Read a short essay, and then take a quiz to see how much you learned.
Echidnas: Describes what they look like, where they live, and how they protect themselves.
Echidnas: A poem about the characteristics of the animal
Short-Beaked Echidna: Gives a physical description and what its footprints look like.
Short-Beaked Echidna: Compares this animal to the platypus, describes its vision, and spikes.
Wikipedia: Echidna: Encyclopedia article that gives a brief physical description of this animal.
Wildlife of Tasmania: Echidna: Description, distribution, behavior, breeding, diet, status, and further reading.