Corythomantis greeningi
... that the frog Corythomantis greeningi retreats into a hole, blocks the entrance with its spiny head, and injects venom into anything that tries to dislodge it?
... that the frog <i id="mwBQk"><b id="mwBQo"><a href="./Corythomantis_greeningi" id="mwBQs" rel="mw:WikiLink" title="Corythomantis greeningi">Corythomantis greeningi</a></b></i> retreats into a hole, blocks the entrance with its spiny head, and injects venom into anything that tries to dislodge it?