I waenganui i te tau 1907, i karangatia a Rawiri kia uru atu ki te haerenga a Ernest Shackleton ki te Antarctic "Nimirota"
, a, i te marama o Tihema, i whiwhi moni a te kawanatanga o Ahitereiria mo te haerenga. I taua marama ano ka wehe atu ia ki Aotearoa me Leo Cotton me Douglas Mawson, e rua o ana akonga o mua. Tata ki te 50 tau a David, a i whakaarotia kia noho ia tae noa ki te Paenga-whawha 1908, engari i te huarahi ki Antarctica i whakarereke ia i ana mahere ka whakatau ia ki te noho mo te roanga o te haerenga.