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The four extant species of echidnas and the platypus are the only living mammals that lay eggs and the only surviving members of the order Monotremata. [3] The diet of some species consists of ants and termites, but they are not closely related to the American true anteaters or to hedgehogs. Their young are called puggles.
A hedgehog is a spiny mammal of the subfamily Erinaceinae, ... Echidnas or "spiny anteaters" of order Monotremata (egg-laying mammals) Porcupines, ...
Between laying and hatching, some females continue to forage for food, while others dig burrows and rest there until hatching. [102] Ten days after it is laid, the egg hatches within the pouch. [28] [102] The embryo develops an egg tooth during incubation, which it uses to tear open the egg; the tooth disappears soon after hatching. [103]
An expedition through an unpredictable, perilous mountain range in Indonesia’s province of Papua led to the rediscovery of a critically endangered egg-laying mammal that hasn’t been seen for ...
The class Mammalia is divided into two subclasses based on reproductive techniques: egg-laying mammals (yinotherians or monotremes - see also Australosphenida), and mammals which give live birth . The latter subclass is divided into two infraclasses: pouched mammals ( metatherians or marsupials ), and placental mammals ( eutherians , for which ...
Monotremes differ from other mammals because they lay eggs instead of giving birth. There are only five species of monotremes, and they include the platypus and four species of echidnas (spiny ...
They are the only group of living mammals that lay eggs, rather than bearing live young. The extant monotreme species are the platypus and the four species of echidnas. 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.
However you define them, anteaters are fascinating creatures. The answer is either five continents or only in the Western Hemisphere. However you define them, anteaters are fascinating creatures. ...