Mammal that lays eggs Mammal that lays eggs, What mammals that lay eggs?, Which of the following mammals lays eggs?, Which of the following is only a egg-laying mammal?, What animal lays eggs?, What 5 mammals lay eggs?, Do dolphins lay eggs?, Is Kangaroo laying eggs?
There are only five living monotreme species: the duck-billed platypus and four species of echidna (also known as spiny anteaters). All of them are found only in Australia and New Guinea.
Which of the following mammals lays eggs?
Along with the platypus, the echidna is a member of the monotremes, an order of egg-laying mammals found in Australia.
Which of the following is only a egg-laying mammal?
A platypus is a mammal that lays eggs.
It does not give birth to its young ones. But it has all other characteristics of a mammal-like being warm-blooded and having hair on the body. It is the sole living representative of its family - Ornithorhynchidae and genus Ornithorhynchus.
What animal lays eggs?
Eggs have a special covering that protects the animal inside. Birds and fish are not the only animals that lay eggs. Insects, turtles, lizards, and reptiles lay eggs, too. Only two mammals lay eggs: the platypus and the echidna.
What 5 mammals lay eggs?
Only five species of animals share this extraordinary egg-laying trait: the duck-billed platypus, and four echidna species, the western long-beaked echidna, eastern long-beaked echidna, short-beaked echidna, and Sir David's long-beaked echidna. Monotremes are only found in either Australia or New Guinea.
Do dolphins lay eggs?
Other characteristics of dolphins that make them mammals rather than fish are that they give birth to live young rather than laying eggs and they feed their young with milk.
Is Kangaroo laying eggs?
On other hand, Kangaroo are pouched mammals. They don't lay eggs, their young one is born in an immature state. Gestation period shows complete development in the abdominal pouch or marsupium.
Do sharks lay eggs?
Sharks exhibit a great diversity in reproductive modes.
There are oviparous (egg-laying) species and viviparous (live-bearing) species. Oviparous species lay eggs that develop and hatch outside the mother's body with no parental care after the eggs are laid.
Do platypus lay eggs?
The female platypus lays her eggs in an underground burrow that she digs near the water's edge. Baby platypuses hatch after 10 days and nurse for up to four months before they swim off and forage on their own.
What mammals lay eggs but not a bird?
Monotremes are mammals that lay eggs rather than bear live young. Three species of monotremes still exist: the platypus and the short-beaked and long-beaked echidna.
Why do some mammals lay eggs?
The reason that odd, egg-laying mammals still exist today may be because their ancestors took to the water, scientists now suggest. The egg-laying mammals — the monotremes, including the platypus and spiny anteaters — are eccentric relatives to the rest of mammals, which bear live young.
Did the first mammals lay eggs?
Given that monotremes, most reptiles, and all birds are oviparous, the common ancestor of mammals is thought to have been an egg-layer as well. This primitive mode of birth was retained in living monotremes, but evolved into live birth in the common ancestor of placentals and marsupials.
Do crocodiles lay eggs?
All crocodiles lay hard-shelled eggs, which may weigh 50–160 grams (0.1–0.4 pound) each. A female lays an average of 12–48 eggs per nest, depending upon her age, size, and species. Two general forms of nest building are known. Some species, such as the Nile crocodile (C.
Do frogs lay eggs?
For frogs and toads, the males will clamber on top of the female in shallow areas of water. This causes the female to lay her eggs - up to 5,000 of them! These are promptly fertilised by the male. Listen out for loud croaks near ponds during the toad mating season.
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