Order Monotremata
EchidnaFamily:Tachyglossidae
Photo: Timmy Toucan@flickr.com License: Creative Commons attrib/noncom/sharealike
EchidnaFamily:Tachyglossidae
Photo: Icriding@flickr.com License: Creative Commons attrib/noncom
EchidnaFamily:Tachyglossidae
Photo: ausemade@flickr.com License: Creative Commons attrib/noncom/sharealike
EchidnaFamily:Tachyglossidae
Photo: JIGGS IMAGES@flickr.com License: Creative Commons attrib/noncom/noderiv
EchidnaFamily:Tachyglossidae
Photo: aardvaark@flickr.com License: Creative Commons attrib/noncom
EchidnaFamily:Tachyglossidae
Photo: aardvaark@flickr.com License: Creative Commons attrib/noncom
EchidnaFamily:Tachyglossidae
Photo: Valley_Guy@flickr.com License: Creative Commons attrib/noncom
Duck-billed platypusFamily:Ornithorhynchidae
Photo: Small@flickr.com License: Creative Commons attrib/noncom/noderiv
Duck-billed platypusFamily:Ornithorhynchidae
Photo: marj k@flickr.com License: Creative Commons attrib/noncom
Duck-billed platypusFamily:Ornithorhynchidae
Photo: alumroot@flickr.com License: Creative Commons attrib/noncom/sharealike
Duck-billed platypusFamily:Ornithorhynchidae
Male duck-billed platypuses have large venomous spurs on their hind legs. Photo: Stowe Boyd@flickr.com License: Creative Commons attrib/noncom
2 Families, 5 Species
Spiny anteaters, duck–billed platypus
Australian region
Egg–laying, cloaca present, mammary glands without teats
2 to 10 kg