Green turtles lay eggs in the sand - ABC News (Australian Broadcasting Corporation)
Marsupials | catastrokitty
Echidna | San Diego Zoo Animals & Plants
monotreme | Definition, Characteristics, Reproduction, Examples, & Facts | Britannica
Monotremes - Egg laying mammals - YouTube
Do any mammals lay eggs? - Quora
Snake egg' mystery leaves experts scrambling after Australian school's discovery | Snakes | The Guardian
Echidna: Extraordinary Egg-Laying Mammal (Australian Natural History S.), Augee, Michael, Gooden, Brett, Musser, Anne, Augee, Michael, Gooden, Brett, Musser, Anne - Amazon.com
Great Mom Platypuses Laying Eggs And Cute Platypuses Moments - YouTube
Facts About Echidnas | Live Science
Australia's egg-laying mammals provide clues to our earliest ancestor | Evolution | The Guardian
Monotreme - Wikipedia
Great Mom Platypuses Laying Eggs And Cute Platypuses Moments - YouTube
Possum - ABC News (Australian Broadcasting Corporation)
Are There Mammals That Lay Eggs? - Earthpedia - Earth.com
Photo Ark: Short-Beaked Echidnas | National Geographic Society
Echidna - Wikipedia
Australian animal oddities
The platypus puzzle | Natural History Museum
Echidna | Weird animals, Unusual animals, Australia animals
Is there an animal which, both gives milk and lays eggs? - Quora
English | Dr. Neurosaurus | Mammals, Australia animals, Animal facts
Do Mammals Lay Eggs? Which Mammals Lay Eggs? - WorldAtlas
Mammals That Lay Eggs | Echidnas Facts | DK Find Out
