When a Newcastle, Australia, resident discovered a strange sac in their garden, they had no idea it would contain hundreds of the country's most venomous spiders.

The unusual-looking object was promptly taken to the Australian Reptile Park for further investigation. The zoo is on the Central Coast of New South Wales, about an hour from Newcastle and Sydney.

After inspection, it took no time for Kane Christensen, head of spiders at the reptile park, to identify the strange sac as a funnel web egg.

Australia’s most dangerous spider, a funnel web is not only venomous but has a reputation for being aggressive. Each egg contains around 100 spiders.

For the reptile park, the sac was a blessing as the zoo is the