Macaws: Average Weights and Measures

The following table has been compiled from Rosemary Low’s book “Parrots in Aviculture” ISBN# 1-56465-179-7

Measurements are from beak to tip of tail. Considerable variations in individuals of the same species can exist, depending on their geographical location.

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Hyacinthine Macaw

Adult Weight: 2.65 – 3.2 lbs or 1200-1450g
Chick Weight: 0.9 ounces 25g
Adult Length: 39 inches or 100cm

Green-winged Macaw

Adult Weight: 2.65 lbs – 3 lbs or 1200-1400g
Chick Weight: 0.74 ounces or 21g
Adult Length: 34 inches or 90cm

Scarlet Macaw

Adult Weight: 1.99 – 2.4 lbs or 900-1100g
Chick Weight: 0.74 ounces or 21g
Adult Length: 34 inches or 90cm

Blue and Gold Macaw

Adult Weight: 2.2 – 2.65 lbs or 1000-1200g
Chick Weight: 0.7 ounces or 20g
Adult Length: 33.9 inches or 86cm

Buffon’s Macaw

Adult Weight: 2.9 lbs or 1300g
Chick Weight: 0.8 ounces or 23g
Adult Length: 33.5 inches or 85cm

Blue-throated or Caninde Macaw

Adult Weight: 1.7 lbs or 750g
Chick Weight: 0.6 ounces or 18g
Adult Length: 33.5 inches or 85cm

Lear’s Macaw

Adult Weight: 2 lbs or 940g
Adult Length: 30 inches or 75cm

Military Macaw

Adult Weight: 1.98 lbs or 900g
Chick Weight: 0.2 – 0.7 ounces or 18-20g
Adult Length: 28 – 30 inches or 70-75cm

Red-fronted Macaw

Adult Weight: 1.2 lbs or 525g
Adult Length: 24 inches or 60cm

Spix’s Macaw

Adult Weight: 0.8 lbs or 360g
Adult Length: 22 inches or 55cm

Severe or Chestnut-fronted Macaw

Adult Weight: 0.8 lbs or 360g
Adult Length: 19 inches or 49 cm

Red-bellied Macaw

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Adult Weight: 0.7 lbs or 300g
Chick Weight: 0.5 ounces or 13g
Adult Length: 18 inches or 46cm

Illiger’s Macaw

Adult Weight: 0.584 lbs or 265g
Chick Weight: 0.4 ounces or 11g
Adult Length: 16 inches or 41cm

Yellow-collared Macaw

Adult Weight: 0.551 lbs or 250g
Chick Weight: 0.43 ounces or 12g
Adult Length: 15.8 inches or 40cm

Noble Macaw

Adult Weight: 0.41 lbs or 190g
Adult Length: 14 inches or 35cm

Hahn’s Macaw

Adult Weight: 0.4 lbs or 165g
Adult Length: 12 inches or 31cm

Macaw General Information … Photos of the Different Macaw Species for Identification … Diseases / Health Problems

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Average Macaw Size and Weight by Species

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Bird Weight is the Primary Indicator of Good Bird Health or Disease.
Diseases / health problems associated with either weight gain or weight loss in pet birds.