Assertion: kookaburra's laugh | /r/HasProperty | hoo-ha-ha-ha-ha-ha-hoo-hoo-hoo
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Source sentences:
text: Kookaburras have a repertoire of different vocalisations including their famous laugh (koo-hoo-hoo-hoo-ha-ha-ha-HA-HA-hoo-hoo-hoo) which is a territory song usually heard at dawn or dusk throughout the year and delivered by a number of birds simultaneously.