I wouldn't be so sure. Were there ever any ducks? https://www.smithsonianmag.com/smart-news/special-delivery-duck-poop-may-transport-fish-eggs-new-waters-18097

I wouldn't be so sure. Were there ever any ducks? https://www.smithsonianmag.com/smart-news/special-delivery-duck-poop-may-transport-fish-eggs-new-waters-180975230/ https://www.smithsonianmag.com/smart-news/special-delivery-d...