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Eastern Screech Owl PDF Print E-mail

Eastern Screech Owl   Otus asio 

 

Average Length:

 

6 inches

Average Wingspan:18-24 inches 
Average Weight:  Male: 3-6 ounces
  Female: 4-7 ounces
  
Breeding Season:February-July
Incubation Period: 26 days
Brood Size:       3-8
  
Diet:

Wild: Insects, mice, frogs, fish, spiders

 

Captive: Mice

 

Lifespan:       Wild: 8-10 years
 Captive: 10-13 years 
  
Status in Illinois:
Common, federally protected

 

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The screech owl is the smallest owl with ear tufts in North America, and naturally occurs in two color phases, red and gray.  It is common for brood mates to have different colors, and color does not designate any specific characteristics.  Screech owls are found in a variety of areas from woodlands to cities, and are one of the most nocturnal of all owls.

 

The call of the screech owl is not a screech, as one might infer, it is a soft, mournful whinny, which is heard most often in spring and fall.  Screech owls usually respond easily to imitated calls and squeaking noises.

 

A screech owl normally takes residence in natural tree cavities, hollow stumps, or nesting holes made by other birds, rather than build its own nest.  They will roost during the day in dark places, and become active after most other owls have returned to roost, and stay active until just before dawn.  Screech owls are fond of water, and often bathe in backyard birdbaths or puddles.

 

The female screech owl is primarily responsible for incubating the eggs, but her mate usually provides food for her while she is sitting.   Screech owls are very protective of their nests, and have been known to dive or even strike at humans or other intruders that come too close.  After owlets are hatched, both parents share responsibility for feeding and care.  The owlets typically take their first flight 28 days after hatching.  Owls are non-migratory, so they will inhabit an area year-round, making use of hollowed trees, etc. for warmth.

 

All owls are protected by the federal government against poaching and trapping.  It is illegal to take owls from the wild, and if an injured owl is found, it is advised to call a local conservation police officer.

 


Last Updated ( Wednesday, 19 March 2008 )
 
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