Assertion: booby | /r/CapableOf | maintain temperature
Facets:
value: at 39c
type: TEMPORAL
value: by nestling against the eggs
type: MANNER
Source sentences:
text: Remarkably, the boobies are able to maintain a temperature at almost exactly 39C by nestling against the eggs or raising their body to allow cool air to circulate in the nest, and incubating the eggs with their feet.