Assertion: bat | /r/CapableOf | lock their feet
Facets:
value: from a branch
type: LOCATION
value: externally
type: DEGREE
Source sentences:
text: Tendons allow bats to lock their feet closed when hanging from a roost.
text: Many bats that roost externally hang from a branch by one foot, which then looks like a plant stem.
text: It also just happens to be more energy-efficient for bats to hang by their feet.
text: Bats also sleep upside down, holding on with their feet rather than their hands.