Coba jelasin Pranala njaba dari Ekidna dalam bahasa jawa dong

"The Enigma of the Echidna" by Doug Stewart, National Wildlife, April/May 2003.

Scribbly Gum - Australian Broadcasting Corporation online magazine, article "Echidna Love Trains": Echidna spotting, Trains (breeding behaviour), The amazing puggle (young), Species, Dreaming (REM sleep), Managing populations; June 2000