Facts About Echidnas | Live Science
Echidna - Wikipedia
The short-beaked echidna is an Australian mammal that has no nipples, and lays eggs. : Awwducational
Echidna: Extraordinary Egg-Laying Mammal (Australian Natural History S.), Augee, Michael, Gooden, Brett, Musser, Anne, Augee, Michael, Gooden, Brett, Musser, Anne - Amazon.com
Platypus in peril: Australian egg-laying mammals' habitat shrunk by 22% in 30 years | Daily Sabah
Are There Mammals That Lay Eggs? - Earthpedia - Earth.com
Why Odd Egg-Laying Mammals Still Exist | Live Science
Photo Ark: Short-Beaked Echidnas | National Geographic Society
Marsupials | catastrokitty
Echidna- spiny insectivorous egg-laying mammal with a long snout and claws, native to Australia and New Guin… | Australia animals, Weird animals, Australian animals
Do Mammals Lay Eggs? Which Mammals Lay Eggs? - WorldAtlas
monotreme | Definition, Characteristics, Reproduction, Examples, & Facts | Britannica
Echidna | San Diego Zoo Animals & Plants
Two native Australian animals, Platypus (left) and Echidnas (right), are the only two mammals in the world that lay eggs to give birth - 9GAG
The first known case of eggs plus live birth from one pregnancy in a tiny lizard
Australian Mammals
Monotreme - Wikipedia
Researchers study a lizard that both lays eggs and gives birth to live babies | Daily Mail Online
Possum - ABC News (Australian Broadcasting Corporation)
Green turtles lay eggs in the sand - ABC News (Australian Broadcasting Corporation)
Do any mammals lay eggs? - Quora
Australian animal oddities
Great Mom Platypuses Laying Eggs And Cute Platypuses Moments - YouTube
platypus | Eggs, Habitat, Venom, & Facts | Britannica
