The cassowary produces rumbling calls when they are near danger or feel threatened. This could be used to warm their chicks and to scare off the predator/ threat.
Cassowaries are known to lash out with their sharp clawed feet to defend their young or territory.

When threatened, the cassowary will stand up tall and ruffle its feathers to make itself look bigger.

Cassowaries will cool itself off by swimming in ponds and rivers.
Cassowary chicks mimic their father’s movements to learn how to feed itself and become an independent cassowary.

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