egg-laying mammal

Synonyms:

monotreme

Types:

anteater, echidna, spiny anteater

a burrowing monotreme mammal covered with spines and having a long snout and claws for hunting ants and termites; native to Australia

anteater, echidna, spiny anteater

a burrowing monotreme mammal covered with spines and having a long snout and claws for hunting ants and termites; native to New Guinea

Ornithorhynchus anatinus, duck-billed platypus, duckbill, duckbilled platypus, platypus

small densely furred aquatic monotreme of Australia and Tasmania having a broad bill and tail and webbed feet; only species in the family Ornithorhynchidae

Type of:

prototherian

primitive oviparous mammals found only in Australia and Tasmania and New Guinea