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Trumpeter Swans and Bald Eagles - Chilkat River AK
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Eagles on Chehalis River Salmon Spawning Grounds 2009
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Chilkat River Bald Eagles

What Drives the Number of Eagle Nests in a Territory?

Alternative Bald Eagle Nests - a Plethora in Some Areas - Not in Others- Why?

(reprint from Hancock Wildlife Foundation)

Here is a good Thesis topic -- but it needs a Sponsor!


In most of nature there are usually multiply reasons why some behavior or action takes place. 

Why do some eaqles  make several nests? In other active territories only one nest is ever found. Obviously some make a new nest to replace one that has been destroyed by the weather. The nest used for several years very successfully, simply rotted out and fell, partially or wholly to the ground.  In other cases the tree blew over.  In many of the urban areas the availability of strong cedar, Sitka spruce or

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One of David Hancocks publications on the Bald Eagle
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