Breeding attempt histories of seven Blue-throated Macaw pairs.

S (successful), NN (no nesting attempt detected), U (unknown fate) and F (failed nest). Causes of failure were: Fa (failed by nest abandon), Fh (failed by hatching failure), Fp (failed by predation), Fu (Nestling's die or did not fledge for undiagnosed reasons) and Fw (failed by adverse weather).