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Owls (Strigiformes)
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Eurasian eagle owl
 *This image is copyright of its original author  *This image is copyright of its original author  *This image is copyright of its original author
 
The largest species of Owl
Great Grey Owl  *This image is copyright of its original author  *This image is copyright of its original author  *This image is copyright of its original author  *This image is copyright of its original author  *This image is copyright of its original author  *This image is copyright of its original author
The eurasian eagle owl is much bigger than The grate grey owl. Twize The weight. And the grey owl is much smaller than they does appare. Also snowy owls are heavier (The biggest owl in America) The heaviest owls in The world is the Blakiston's fish owl (4,7 kg) and eurasian eagle owl (4,5 kg), and on average The great owl is The longest, but The eurasian eagle owl can get longer.
Here is an good example in to show how much feathers there is on The grate grey owl. The whole bird is a bluff.. Still a majestic bird, but the size is "fake"  *This image is copyright of its original author
The eurasian eagle owl is The most majestic of all owls and it kills The most impressive prey aswell.
Spicies who appares on it's menu is everything it's bigger then, and some even bigger than themselves. Rodents, rabbits, foxes are mammals and every bird from magpies to capracalis and a big goose (ravens and large gulls are common prey). Aswell as other raptores and owls, alongside The goshawk this spicie was the most aggressive towards other raptors in Europa, every raptor on The list except golden eagles where killed by this owl. Even large young white tailed eagle. And It lives in Europe and asia. Size: 60-74 cm VS: 150-170 cm weight: 2,1-4,5kg.  *This image is copyright of its original author  *This image is copyright of its original author  *This image is copyright of its original author  *This image is copyright of its original author  *This image is copyright of its original author  *This image is copyright of its original author
Info on the Eurasian Eagle owl
"60-75cm, 1500-4200g Size: Length: 58-71cm (22.8-28") Weight: Female 2280-4200g (80.4-158oz) Male 1620-3000g (57.1-105.8oz) Average Wing Length (one wing only): Female 47.8cm (18.8") Male 44.8cm (17.6") The Eagle Owl is a large and powerful bird, smaller than the Golden Eagle but larger than the Snowy Owl. It is sometimes titled the world's largest owl, but so is the Blakiston's Fish Owl, which is slightly bigger on average.[2][3] The Eagle Owl has a wingspan of up to 138-200 cm (55-79 in) and measures 58-75 cm (23-30 in) long. Females weigh 1.75-4.2 kg (3.9-9.4 lbs) and males weigh 1.5-3.2 kg (3.3-7 lbs). In comparison, the common Barn Owl weighs about 500 grams (1.1 lbs). It mainly feeds on small mammals, but can kill prey up to the size of foxes and young deer (up to 10 kg/22 lb), if taken by surprise. Larger prey (over 3 kg/7 lb) is consumed on the ground which leaves the bird vulnerable (for example to foxes)." Info on the Great Grey Owl "Dimensionally it is the largest of the owls, but very lightly build, much like the australian wedge-tailed eagle. 59-69cm, 800-1700g In terms of length, the Great Grey Owl rivals the Eurasian Eagle Owl and the Blakiston's Fish Owl as the world's largest owl. However, much of its size is deceptive, since this species' fluffy feathers, long tail and large head obscure a body lighter than that of most other large owls. The length ranges from 61 to 84 cm (24 to 33 in), averaging 72 cm (27 in) for females and 67 cm (26 in) for males. The wingspan can exceed 152 cm (60 in), but averages 142 cm (56 in) for females and 140 cm (55 in) for males. The adult weight ranges from 700 to 1800 grams (1½ to 4 lb), averaging 1290 grams (2 lb 14 oz) for females and 1000 g (2 lb 3 oz) for males. Great Grey Owl juveniles may themselves fall prey to bears, fishers, and large hawks, especially Northern Goshawks; while adults may fall prey to Bubo owls and lynxes." and a few others listed as the top 5 largest  *This image is copyright of its original author 52-66cm, 700-2950g Until recently, it was regarded as the sole member of a distinct genus, as Nyctea scandiaca, but mtDNA cytochrome b sequence data (Olsen et al. 2002) shows that it is very closely related to the horned owls in the genus Bubo. Size: Length 51-68.5 cm (20-27") average female 66cm (26" inches), male 59cm (23") Wingspan 137-164cm (54-65") Weight 1134-2000g (40-70oz) average female 1707g (60oz), male 1612g (57oz)  *This image is copyright of its original author GREAT HORNED OWL 51-60cm, 680-2500g Probably the most aggressive and powerful of the owls, recorded taking red-tailed hawks and even great grey owls, and wont hesitate to take on the big eagles. below some info from wikipedia Individual Great Horned Owls range in length from 18-27 in (46-68 cm) and have a wingspan of 40-60.5 in (101-153 cm); Females are larger than males, an average adult being 22 in (55 cm) long with a 49 in (124 cm) wingspan and weighing about 3.1 lbs (1400 g). There are almost no predators of adults, but they may be killed in confrontations with eagles, Snowy Owls and, mostly, other Great Horned Owls  *This image is copyright of its original author Blakiston's Fish Owl, Bubo blakistoni, is an owl. This species is a part of the family known as typical owls, Strigidae, which contains most species of owl. Blakiston's Fish Owl and three related species were previously placed in the genus Ketupa; mtDNA cytochrome b sequence data is equivocal on which genus name is applied for this species (Olsen et al. 2002). Its habitat is riparian forest, with large, old trees for nest-sites, near lakes, rivers, springs and shoals which don't freeze in winter. Blakiston's Fish Owl is a massive owl at 60-75cm (24-30 in) and is possibly the largest species of owl. A recent field study of the species showed males weighing from 3 to 3.75 kg (6.6-8.3 lbs), with the female, at up to 4.5 kg (10 lbs), being about 25% larger.[1] Superficially, this owl looks like the Eurasian eagle owl, but is paler, and has broad, ragged ear tufts. The upperparts are buff-brown and heavily streaked. The underparts are pale buffish-brown. The throat is white. The iris is yellow (whereas Eurasian eagle owl has an orange iris).  *This image is copyright of its original author compare this euraisian eagle owl http://carnivorabattle.proboards.com/thread/27 Credit to the Mod there "Bob" and one other owl  *This image is copyright of its original author Introduction: The Verreaux's or Milky Eagle Owl is a very large eagle owl with short, tousled ear-tufts. It is the largest owl in Africa.[For help with terms used in the description, see parts of an owl. For general characteristics common to most owl species, see owl physiology.]Description: The facial disc is off-white, with a broad blackish rim. Eyes are dark brown, with the upper eyelids being bare and pink with ochre eyelashes. The bill is pale creamy-horn with a dark grey base. The cere is blue-grey and the bristles around the bill are blackish. Upperparts are pale grey-brown, suffused 'milky', with fine whitish vermiculations which are darker on the fluffy ear-tufts and on the mantle. The scapulars have large areas of white, forming a whitish row across the shoulder. Flight and tail feathers are barred light and dark. The throat is white, and quite prominent when calling.Underparts are paler greyish-brown with fine light and dark vermiculations, darkest on the upper breast and lightest on the flanks and legs. Tarsi are feathered and toes partially feathered, with the bare parts being greyish-horn. Claws are dark brown with black tips.Size: Length 60-65cm. Wing length 420-490mm. Tail length 220-273mm. Weight 1615-3115g. Females are larger and heavier than males.
wonderful documentary about one of the most wonderful and beuatiful creatures on earth the snowy owl:
enjoy: Magic of the Snowy owl.
documentary about the eagle owl in Spain.
little wired, but does have some great fotage in it especially scenes where the big owl hunts 
I just wanted to post some pics of one of the toughest owls in the world! The Pygmy owl is the smallest owl in europe! weighing only tops 70g, and 17 cm long.
also it's a raw killer and is said to be the owl in the world that kills the biggest prey compared to it's own size: like green woodpecker, and black bird.  *This image is copyright of its original author Here is a pygmy owl with its red crossbill prey  *This image is copyright of its original author
pygmy owl with nothern shrike (which is a impressive predator it self) kill
 *This image is copyright of its original author  *This image is copyright of its original author  *This image is copyright of its original author
owls predation on other birds of prey:
 *This image is copyright of its original author owls predated on by other owls and birds of prey  *This image is copyright of its original author
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