Semi click bait title. Attenborough’s long-beaked echidna was last recorded more than 60 years ago However it is listed as critically endangered.

• This species has only been scientifically recorded once before, by a Dutch botanist in 1961.
• A different echidna species is found throughout Australia and lowland New Guinea.
• https://www.pbs.org/wnet/nature/blog/echidna-fact-sheet/