Assertion: tree frog's gland | /r/HasProperty | located behind the ears of toads
Facets:
value: along the backs of frogs
type: LOCATION
Source sentences:
text: The main poison-producing glands, the paratoids, produce the neurotoxin bufotoxin and are located behind the ears of toads, along the backs of frogs, behind the eyes of salamanders and on the upper surface of caecilians.