There are two families of monoporosis
Platypus dominates the family
The other is the two species of echidnas included in the family Echidna
The robust body of the alligator is covered with long spines and shorter body hair. Walking at a rocking pace, it can quickly dig holes and indent into the ground to escape the hunting of predators such as the Australian gray wolf. Only its spikes are exposed. If threatened on hard ground, it curls up into a thorn ball. The alligator is widespread in Australia, ranging from eastern Australia, Tasmania and New Guinea, including semi-arid and alpine regions. It feeds mainly on ants and termites.
Interestingly, when the alligator wades, its long mouth can act as a snorkel. And each thorn on its back is a single body hair rooted in the muscle.
During winter mating, several male echidnas follow a female for up to 14 days, digging and pushing competitions until one wins mating rights. The female then lays an egg in her bag. The cub hatches and stays in the bag until it grows a thorn and moves into a hole in the ground. The female echidna does not have nipples, but its mammary glands expand in the bag to become pieces of epidermis. It feeds its pups for up to 7 months. A well-bred echidna has lived for 49 years, but the longest-lived wild echidna is recorded to be 16 years old.
Although the breeding cycle of the echidna is unknown, it is said to be similar to the echidna.
Monotremes originated at least 110 million years ago, when Australia was still part of the gondwana ancient land.
The article about the alligator is shared here.
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