Guess how many Common Marsupial Ticks are in the jar in Bloodsuckers: Nature's Vampires and you could win a $500 Australian Museum Shop voucher. The closest guess wins!


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The competition promotion commences on 2 April 2026 at 10am and closes at 5pm on 11 October 2026. No entries will be accepted after this time. Competition Terms and Conditions apply. Permit number: TP/02169

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Bloodsuckers: Nature’s Vampires is produced and circulated by ROM (Royal Ontario Museum), Toronto, Canada.



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