[TN-Bird] "Bird Island"-Hamblen Co.

From: Michael Sledjeski <mtnsylva@xxxxxxxxxxxxx>
To: tn-bird@xxxxxxxxxxxxx
Date: Tue, 3 Jun 2008 09:29:15 -0400
Cherokee Lake, by canoe
6/2/08, 5:30-8:00 PM

We launched from the Kidwell Boat Ramp, near Panther Creek Park, and  
headed northwest about 1 mile to  Bird Island (marked by "12" signs  
on the east and north sides).
The number of D-C cormorant and great blue heron nests has soared  
since last year, while B-C night-heron nests held steady.  We spotted  
3 great egret nests (adults on nests, no fledglings observed).  They  
were in dense foliage at midlevel in the trees; we got our best  view  
by looking across from the opposite side of the island.    Last year,  
none were seen; in 2006, we recorded 4 GE nests.

The cormorants nest along the perimeter of the island, on the south  
and east sides.  The  herons nest throughout the island, with the  
night-herons locating in the midstory, and the great blues higher in  
the canopy.  We stayed along the shoreline and couldn't completely  
survey the nests in the middle of the island.  There was considerable  
noise and  movement there, so the nests of both heron species were  
surely undercounted.

The cormorant and great blue nests were occupied by large young, the  
night-heron nests had a range of ages or brooding adults only.  Some  
night-herons were seen carrying nesting material

Partial list:
Double-cr. cormorant (450+, 142 nests)
Great blue heron (250+, 78 nests)
Great egret (14, 3 nests)
Black-crowned night-heron (ca. 125, 33 nests)
Ring-billed gull (12)
Tree swallow (3)
Yellow-billed cuckoo (2)

Michael Sledjeski & Leslie Gibbens
Del Rio TN

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[TN-Bird] "Bird Island"-Hamblen Co.

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