The
'Alae 'Ula can dive, to feed and escape from
their predators. They often hide underwater with
their head or bill hidden in plants. They hold
on to the vegetation with their bills.
The
'Alae 'Ula feed on plant material incuding the
leaves and stems of submerged and floating
plants like hydrillas, water lilies, their
seeds, and bulrush. Animal foods include
beetles, giant water scorpions, water striders,
dragonfly larvae, grasshoppers, as well as
earthworms, snails, spiders and small
fish.