<sod>The [[Swan Coastal Plain]] north of Perth has become an important feeding area. There, cockatoos also forage in the Gnangara pine plantations, where they feed on the seeds of ''[[Pinus radiata]]'' and ''[[Pinus pinaster]]''. <eod>
<sod>The [[Swan Coastal Plain]] north of Perth has become an important feeding area. There, cockatoos also forage in the Gnangara pine plantations, where they feed on the seeds of ''[[Pinus radiata]]'' and ''[[Pinus pinaster]]''. Carnaby's black cockatoos have come to depend on these plantations since the early 20th century.<ref name = V&S/><eod>