Assertion: axolotl's gill | /r/HasProperty | trademark feathery external
Facets:
Source sentences:
text: So while many amphibians, like the salamander, will eventually develop lungs and head to land, axolotls keep their trademark feathery external gills and remain aquatic.
text: So while many amphibians, like the salamander, will eventually develop lungs and head to land, axolotls keep their trademark feathery external gills and remain aquatic.