Paper on occurrence of Hyacinth nesting sites in the Pantanal

A paper was published some 11 years ago by a team of specialist scientists including Neiva Guedes on the occurrence of Hyacinth Macaw nesting sites in Sterculia apetala trees the Pantanal. This paper can now be read on the Blue Macaws website under  Content "Hyacinth Macaws in the wild" (paper 24).