Assertion: kookaburra's plumage | /r/CapableOf | insulate their skin
Facets:
value: from the heat
type: CAUSE
Source sentences:
text: The shafts and tips of their feathers are black and the energy from the sun is absorbed through the tips and the loose-packed inner plumage insulates their skin from the heat allowing the emu to be active during the heat of the day.