Red-shouldered Hawk

Hook Mountain:  1971 - 2011

Red-shouldered Hawks are a real treat.  Their crescent windows light up their silouette.

interpretation                        about the trend lines           seasonal distribution   

Yearly trends for Red-shouldered Hawks at Hook Mountain

Interpretation (GRB):

In the works: 

This graph shows total annual counts for Red-shouldered Hawks at Hook Mountain.  It does not account for variation due to days of coverage. 

Seasonal Distribution
Seasonal distribution of Red-shouldered Hawks at Hook Mt.
Red-shouldered Hawks migrate over Hook Mountain from mid-October to mid-November.


About the trend lines:

The trend lines have not been tested for significance. Their intent is to provide an overview of the general trend.   The graphs show two trend lines:  1971 - present, and the last 10 years.  The Hook Mountain Hawk Watch began in 1971, and the points with blue markers indicate the totals for all these years.  The points that show red squares around the blue markers represent the last ten years, showing the trend in this last decade.  The dashed green line shows the average for all years.        more about trend lines . . . .
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HOOK Since 1971 FIRE NEHW Videos Bat's Bytes

Updated 10/18/14 , Trudy Battaly