Author: Christal Pollock, DVM, Dipl ABVP-Avian; Lafeber Company veterinary consultant Date: May 27, 2007; updated October 1, 2012
Reported normal body weights for a given species can vary significantly. Always rely more on the assessment of body condition rather than body weight alone. 
Reported Weights in Companion Birds| Species | Average body weight (grams) | Reported range (grams) |
|---|
| Zebra finch | 15 | 10-16 | | Canary | 22 | 12-30 | | Budgerigar parakeet | 30 | 25-35 | | Parrotlet, Pacific | 30 | 30-34 | | Lovebird | 45 | 45-70 | | Conure, Green-cheeked | 70 | 60-80 | | Cockatiel | 90 | 80-125 | | Ring-neck parakeet | 115 | | | Conure, Blue-crowned | 140 | 130-180 | | Macaw, Hahn’s | 140 | 120-160 | | Quaker parakeet | 105 | 90-150 | | Senegal parrot | 125 | 110-130 | | Mynah | | 180-260 | | Pigeon (rock dove) | | 240-300 | | Pionus, Blue-headed | 250 | 230-260 | | Cockatoo, Goffin’s | 350 | 220-390 | | African Grey parrot, Timneh | 350 | 300-400 | | Severe macaw | 350 | 300-450 | | Cockatoo, Citron-crested | 360 | 360-425 | | African Grey parrot, Congo | 500 | 450-600 | | Amazon parrot, Orange-Winged | 400 | 300-450 | | Amazon, Blue-fronted | 400 | 300-500 | | Eclectus parrot | 432 | 388-524 | | Amazon, Yellow-naped | 500 | 480-680 | | Amazon, Double yellow-headed | 568 | 450-650 | | Cockatoo, Umbrella | 650 | 400-700 | | Cockatoo, Moluccan | 900 | 700-1000 | | Macaw, Military | 900 | | | Macaw, Scarlet | 1000 | 900-1100 | | Macaw, Blue and Gold | 1100 | 900-1300 | | Macaw, Green-winged | 1200 | 1200-1600 | | Macaw, Hyacinth | 1355 | 1250-1695 | ↑ top
Normal Reported Weights in Raptors| Species | Scientific name | Mean weight (kilograms) | Male
(kg) | Female (kg) |
|---|
| Northern saw-whet owl | Aegolius acadicus | 0.08 | | | | American kestrel | Falco sparverius | 0.12 | 0.097-0.12 | 0.10-0.15 | | Sharp-shinned hawk | Accipiter striatus | 0.14 | 0.09-0.11 | 0.15-0.22 | | Western screech owl | Otus kennicottii | 0.15 | | | | Burrowing owl | Athene cunicularia | 0.15 | | | | Eastern screech owl | Otus asio | 0.18 | 0.17-0.23 | same as male | | Merlin | Flaco columbarius | 0.19 | 0.16-0.17 | 0.22-0.25 | | Mississippi kite | Ictinia mississippiensis | 0.28 | | | | Broad-winged hawk | Buteo platypterus | 0.39 | 0.31-0.48 | same as male | | Northern harrier | Circus cyaneus | 0.42 | | | | Cooper’s hawk | Accipiter cooperii | 0.45 | 0.30-0.40 | 0.48-0.68 | | Barn owl | Tyto alba | 0.46 | 0.20-0.40 | 0.35-0.57 | | Red-shouldered hawk | Buteo lineatus | 0.63 | 0.46-0.93 | | | Prairie falcon | Falco mexicanus | 0.72 | | | | Barred owl | Strix varia | 0.72 | 0.33-0.51 | same as male | | Peregrine falcon | Falco peregrinus | 0.72 | 0.55-0.85 | 1.11-1.60 | | Harris hawk | Parabuteo unicinctus | 0.90 | 0.55-0.80 | 0.85-1.30 | | Northern goshawk | Accipiter gentilis | 0.95 | 0.65-0.85 | 0.95-1.20 | | Great gray owl | Strix nebulosa | 1.08 | | | | Red-tailed hawk | Buteo jamaicensis | 1.08 | | | | Great horned owl | Bubo virginianus | 1.4 | 1.38-1.87 | same as male | | Gyrfalcon | Falco rusticolus | 1.40 | | | | Eurasian eagle owl | Bubo bubo | | 1.50-2.50 | 2.25-3.80 | | Osprey | Pandion haliaetus | 1.6 | | | | Snowy owl | Nyctea scandiaca | 1.83 | | | | Turkey vulture | Cathartes aura | 1.83 | | | | Black vulture | Coragyps atratus | 2.00 | | | | Bald eagle | Haliaceetus leucocephalus | 4.33 | | | | Golden eagle | Aquila chrysaetos | 4.58 | 2.85-4.00 | 3.65-6.70 | | California condor | Gymnogyps californianus | 10.5 | | | | Andean condor | Vultur gryphus | | 11-15 | 8-11 |
ReferencesCarpenter JW. Exotic Animal Formulary, 4th ed. St. Louis, MO: Elsevier Saunders, 2012. Pp. 362-363. Chitty J. Birds of prey. In: Meredith A, Redrobe S (eds). BSAVA Manual of Exotic Pets, 4th ed. Gloucester:British Small Animal Veterinary Association; 2002. Harrison GJ, Harrison LR. Clinical Avian Medicine and Surgery, Appendix 4, Philadelphia, W.B. Saunders, 1986. p.662. Sibley DA. The Sibley Guide to Birds. New York:Chanticleer Press Inc., 2000.
Источник: http://www.lafebervet.com/avian-medicine-2/avian-nutrition/body-weight/ | 
