Long-beaked Echidna (image) Wildlife Conservation Society Share Print E-Mail Caption As a research intern for the Wildlife Conservation Society, Muse Opiang (now of the Papua New Guinea Institute of Biological Research) completed a study on one of the world's most elusive, egg-laying mammals: the long beaked echidna. Credit WCS Papua New Guinea Usage Restrictions One time usage only. Share Print E-Mail Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.