Five different species of birds — one critically endangered — in Australia were negatively affected by unprecedented bushfires that raged across the country last summer, a wildlife protection group said Friday.

The bushfires that erupted last August are estimated to have killed 1.25 billion animals and burnt 1 billion trees across the country.

Although bushfires are common in Australia, the 2019 blazes broke out in the south, instead of the usual north, gutting over 21 million acres.

Environmental conservation group BirdLife International listed five bird species negatively impacted by the fires: The critically endangered regent honeyeater, superb lyrebird, eastern

Read more: Australia bushfires hurt 5 bird species: Nature group