Since there has been some recent discussion on Macaw size and weight in another thread, I thought it might be interesting to post some data on the subject. Below is information from two sources.

Chart data derived from the well-known book "The Large Macaws" by Dr. Brian Speer and Joanne Abramson:


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Data excerpt from Dr. Scott McDonald's pdf document (http://scottemcdonald.com/pdfs/Average%20Weights.pdf):

LARGE MACAWS
Species|AVG|20% of AVG|Heaviest
Blue and Gold 1000 900–1000 2415
Green‐winged 1193 1075–1315 1824
Scarlet macaw 1033 930–1135 1668
Military macaw 896 810–985 1370
Harlequin macaw 1144 1030–1260 1761
Catalina macaw 1063 955–1170 1911
Hyacinth macaw 1301 1170–1430 1624
Red‐fronted macaw 489 440–540 603

MINI MACAWS
Species|AVG|20% of AVG|Heaviest
Severe macaw 386 345–425 545
Hahn’s macaw 152 135–165 217
Yellow‐collared macaw 234 210–260 305