1.The Eurasian Eagle Owl
This bird is often referred to as the largest of the owl. The owl is very strong, and capable of killing the biggest hawk ... there are few cases of those who attack and kill the golden eagle is almost mature.
Length: 58-71cm (22.8 to 28 ")
Weight: Female 2280-4200g (80.4-158oz), Male 1620-3000g (57,1-105.8 oz)
Average Length Wing (one wing only): 47.8cm Females (18.8 ") 44.8cm, male (17.6")
2.The Great Grey Owl
This is the largest bird of the owl, but very light weight, similar to the wedge-tailed eagles in Australia.
In terms of length, the Great Grey Owl Eurasian Eagle Owl compete with and Blakiston's fish as the world's largest owl. However, many deceptive size, because fine hairs on this species has many feathers, so as in the long tail and big head makes the body lighter than in most other large owls. The length ranges from 61-84 cm (24-33 in), averaging 72 cm (27 years) for females and 67 cm (26 in.) for males. Wingspan can exceed 152 cm (60 in), but on average 142 cm (56 years) for females and 140 cm (55 in.) for males. Adult weight range 700-1800 grams (1 ½ to 4 lb), averaging 1290 grams (2 pounds 14 oz) for females and 1000 g (2 pounds 3 oz) for males.
Great Grey Owl teens may fall prey to bears, fishers, and large eagles, especially in northern Goshawks, while adult birds can fall prey to Bubo owls and lynxes.
3. The Snowy Owl
52-66cm in size, and weight 700-2950g
Until now, the Snowy Owl is considered to be the only species of the genus are different, as Nyctea scandiaca, but cytochrome b mtDNA sequence data (Olsen et al 2002.) Indicates that it is very closely related to the horned owls in the genus Bubo.
Size: Length 51 to 68.5 cm (20-27 ") average female 66cm (26" inches), male 59cm (23 ")
137-164cm wingspan (54-65 ")
Weight 1134-2000g (40-70oz) 1707g female average (60oz), male 1612g (57oz)
4. The Great Horned Owl
51-60cm in size, and weight 680-2500g
Maybe the bird was an owl of the most aggressive and powerful than the other owls, these birds have been recorded killing red-tail hawks and owls of gray even great, and no doubt doubt have killed a large hawk.
5. The Blakiston's Fish Owl
Blakiston's Fish Owl Bubo blakistoni or, is the owl. This species is part of the family known as typical owls, Strigidae, most of which are species of owl. This bird habitat is forest, river, big old trees to nest, near lakes, rivers, springs that are not frozen in winter.
Blakiston's Fish Owl is a large owl with a size 60-75cm (24-30 years) and probably the largest species of owl. A recent field study of this species shows a male with a weight of 3 to 3.75 kg (6.6 to 8.3 lbs), with females up to 4.5 kg (10 lbs), to around 25% larger. This owl looks like a Eurasian eagle owl, but pale.