 They do not fly at all , having no feathers to their wings , but they flap them , and make a great noise with their wings when angry , and the noise is something like thunder in the distance . They only ly , as I am led to suppose , but once in the year , and only one egg . Not that I have seen their eggs , for I have not been able to discover where they lay . But I have never seen but one little one alone with them , and , if any one tried to approach it , they would bite him very severely . These birds live on seeds and leaves of trees , which they pick up on the ground . They have a gizzard larger than the fist , and what is surprising is that there is found in it a stone of the size of a <unk> 's egg , of oval shape , a little flattened , although this animal cannot swallow anything larger than a small cherry @-@ stone . I have eaten them : they are tolerably well tasted . 
