It may allow them to better understand how the stocky, flightless bird and many other species became extinct.

This stocky bird has a short tail and rounded bill.

It is a stocky bird, with a large head, short tail, powerful bill and strong feet.

It is a stocky white bird adorned with buff plumes in the breeding season.

It is a stocky bird, with reduced wings, strong legs and a massive bill.

It is a stocky bird, 23-24 cm long, with a heavy bill and strong legs and feet.

It is a stocky bird, 18-20 centimetres in length, with short wings and a red eye.

All species are large stocky birds with short squarish tails.

Dunn's Lark is a stocky bird with a large head and broad wings.