2 Mammals That Lay Eggs

The word monotreme is derived from the greek word monos meaning single and trema that means hole. Their legs are on the sides of their bodies unlike other mammals whose legs are positioned under their bodies.

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Monotremes are mammals that lay eggs instead of giving birth to live young like marsupials metatheria and placental mammals eutheria.

2 mammals that lay eggs. The monotremes are typified by structural differences in their brains jaws digestive tract reproductive tract and other body parts compared to the more common mammalian types. This is not their only difference however and their existence goes to show how fascinating and diverse nature can be. The echidna resembles a porcupine but it is a completely different animal.

The echidna and the duck billed platypus. Typically echidnas breed between july and august. The short beaked echidna is the cousin of the long beaked mammal and it is much smaller in size.

The short beaked echidna and the duck billed platypus are the two mammals that lay eggs. In addition they lay eggs rather than bearing live young but like all mammals the female monotremes nurse their young with milk. They do not have teats to nurse their young.

Platypus and echidnas are the only two mammals that lay eggs. The echidna has spines all over its body along with short fur. Female platypus can lay two eggs at a time while an echidna can lay only one egg at a time.

The platypus and echidna are the only two mammal species which can lay eggs. Egg laying mammals belong to a group called monotremes. On the other hand there are mammals that lay eggs and are called monotremes.

Beside egg laying monotremes possess other traits that separate them from other mammals. The only surviving examples of monotremes are all indigenous to australia and new guinea although there is evidence that they were once more widespread. Their bodies maintained some reptilian traits such as a cloaca.

Cats dogs elephants giraffes whales dolphins porpoises and obviously homo sapiens are all viviparous mammals. They instead excrete milk through pores that their young lap from. Practically their mating is quite unusual because the males have four headed penises while the females have two branch reproductive tract.

This is not their only difference however and their existence goes to show how fascinating and diverse nature can be. Echidnas are monotremes which means that are among the 2 mammals on earth that lay eggs. Only two kinds of egg laying mammals are on the planet today the echidna also known as spiny anteater and the duck billed platypus.

There are many other differences in their body structure feeding habits diet and so on. A female platypus lays eggs in the special holes or burrows while a female echidna on the other hand lays egg in her pouch.

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