giant glass frog
... that the male giant glass frog has a hooked spur on his upper arm which is used when fighting rivals?
... that the male <b id="mwA0A"><a href="./Nymphargus_grandisonae" id="mwA0E" rel="mw:WikiLink" title="Nymphargus grandisonae">giant glass frog</a></b> has a hooked spur on his upper arm which is used when fighting rivals?