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Live Burrowing Owl Cam
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Want to Learn More?
Barn Owls
Barn Owl Fact Sheet and Information
Burrowing Owls
NA Distribution Map
Natural History
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Tri-Cities and Moses Lake Burrowing Owl Research Project
Burrowing Owl Management Recommendations
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The act of siblicide–although difficult to observe– is a common outcome for a meat eating bird (like barn owls) with asynchronous hatching, where eggs are laid and hatched at different times. This allows for easy siblicide as the first chick is older and much larger than the last. Ecological studies suggest that siblicide allows for the greatest number of owlets to survive to match the available food supply. Low food resources increase conflict among siblings which leads to a greater chance of siblicide. The end result of the situation is that a few strong and well-fed owlets survive instead of many weaker birds.

You may not see the adult owls again this nesting season since they most often drop rodents into the nest box and continue to hunt as the owlets are consuming vast numbers of rodents as they continue to grow. Please take the time to understand and explain this ecological act and behavior to yourself and others – particularly young viewers.

To learn more about the ecological role of siblicide in nature check out the Related Links labeled – The Ecological Role of Siblicide

Related Links
Barn Owls
The Birdhouse Network - Nest Box Cams
Wildlife Search - Owl Information
The Owl Pages - Links to Owl Cam Pages
Owl Facts - Conservation Commission of the State Missouri
Barn Owl (Tyto alba) - Breeding
Barn Owl Headquarters
Birds of Prey Assist Farmers University of California
The Ecological Role of Siblicide
Some bird species commit siblicide
Seabirds Give New Meaning to Sibling Rivalry
Hatching Asynchrony and Brood Reduction
Within Nests, Egret Chicks Are Natural Born Killers
Burrowing Owls
Peek into burrowing birds' lives with OwlCam - Tri-City Herald
Burrowing Owl (Speotyto cunicularia) Links
Hands On The Land Program
Hanford Reach National Monument
Columbia River Exhibition of History, Science and Technology (CREHST)
To explore places to find birds in Washington - Great Washington Birding Trail

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