The short-beaked echidna, or spiny anteater.

Along with the platypus, this is one of the only two egg-laying mammals.

(near Parndana, Kangaroo Island, South Australia)

mammal; monotreme; echidna; short-beaked echidna; spiny anteater; Chordata; Mammalia; subC Prototheria; Monotremata; Tachyglossidae; Tachyglossus aculeatus multiaculeatus