The love language of echidnas – Animal News | Particle
Journal de l'anatomie. mesure du museau au cloaque de l'Platypusis 87 cm. et 18 cm de largeur. Ecliidaa {Echidna aculeata). Comme dans l'Ornithorynque, trois grandes parties de la rate peut être
Echidnas, One of the Weirdest Mammals, I chid you not | paleoaerie
Meet the world's weirdest creature with a four-headed penis and spikes on its tongue - Irish Mirror Online
EchidnaCSI: Engaging the public in research and conservation of the short-beaked echidna | PNAS
Plasma progesterone secretion during gestation of the captive short-beaked echidna in: Reproduction Volume 162 Issue 4 (2021)