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Snowy Owl
 
   
 
SCIENTIFIC CLASSIFICATION
COMMON NAME: snowy owl
KINGDOM: Animalia
PHYLUM: Chordata
CLASS: Aves
ORDER: Strigiformes
FAMILY: Strigidae
GENUS SPECIES: Bubo scandiaca
 
FAST FACTS
DESCRIPTION: Snow owls are white with dark bars and spots. Their feet are also white and feathered. The black bill is almost completely covered with feathers. They have a rounded head and yellow eyes.
FEMALE Dark bars and spots are heavier on females.
SIZE:

Length = 52-71 cm (1.7-2.3 ft.)

Wingspan = 126-145 cm (4.1-4.75 ft.)
WEIGHT: 1.6-2.95 kg (3.5-6.5 lb.)
DIET: Lemmings and other small rodents, rabbits, waterfowl, birds, and fishes.
INCUBATION:  
CLUTCH SIZE 3-11 eggs
SEXUAL MATURITY: no data
LIFE SPAN: no data
RANGE:

Summer = high arctic from Alaska to Canada; also found in Greenland, Russia, and Scandinavia.

Winter = northern U.S.
HABITAT:

Summer = open tundra

Winter = fields and beaches
POPULATION: GLOBAL 290,000 individuals
STATUS: IUCN Least concern
CITES Appendix II
USFWS Not listed
 
FUN FACTS
1. Owls' eyes look forward in a fixed position and cannot move from side to side, as the human eye can. In order to see peripherally, the owl must turn its entire head.
   
2. It is a myth that owls can turn their head all the way around. Owls have 14 neck vertebrae, allowing them to move their head 270 degrees.
   
3. Most owls have unique, comb like feathers that allow for silent flight. The leading edge is "fringed" so that the feathers, when moving, do not make noise when rubbing together.
   
4. A single snowy owl may eat 3 to 5 lemmings a day.
   
5. Snowy owls build their nest on the ground. They strongly defend their nests from predators, such as wolves.
 

ECOLOGY AND CONSERVATION

As predators, owls play an important role in the environment by controlling small animal populations. Because mammals are a primary prey item, this can be especially beneficial to humans, reducing the amount of food lost each year to rodents.
 

BIBLIOGRAPHY

BirdLife International (2007) Species factsheet: Bubo scandiaca. Downloaded from http://www.birdlife.org on 2/1/2008
 
Cornell Lab of Ornithology. 2003. http://www.birds.cornell.edu/AllAboutBirds/BirdGuide/Snowy_Owl.html
 

del Hoyo, J., A. Elliot, et al. Handbook of the Birds of the World: Ostrich to Ducks. Barcelona, Lynx Edicions. 1992.

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