The largest bird of prey in modern times Before humans settled in New Zealand around 700 years ago and introduced invasive species like cats and rats, there were no land-dwelling mammals on the islands – aside from three species of bats. Instead, the ecosystem was dominated by approximately 250 bird
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A Haast's eagle attacks already extinct New Zealand moas. The largest moas were the female South Island giant moas. They could reach a weight of up to 300 kilograms. (© John Megahan, CC BY 2.5, via Wikimedia Commons)