Simplify the following text for a Grade 11 native English-speaking person.
Original: The Short-beaked Echidna is the only member of its genus , sharing the family Tachyglossidae with the surviving three species of the genus Zaglossus that live in New Guinea .
Simplified: The Short-beaked Echidna is the only member of its genus , sharing the family Tachyglossidae with the extant species of the genus Zaglossus that occur in New Guinea .