Chris mentioned that the Great Egrets are no longer roosting at Rankin Bottoms
in Cocke county.. Leslie & I traveled under the Leadvale RR bridge yesterday
and saw that the heronry is now located west of the tracks. We've seen the
same pattern for years. When there's no longer water beneath the willow grove
at the south end of the Rankin Bottoms embayment, the egrets, plus whatever
Little Blue Herons and White Ibises are in the area, fly to roost farther down
the river. As the lake recedes, they'll move from the Leadvale location to
gather at night in the vicinity of the northern silo at Ten Islands, then the
shoreline past the silo, then to a mudbar at Dutch Bottoms. At that point,
with the nighttime temperature dropping into the 30s, nearly all the Great
Egrets move on. A few may be present during warm spells through the winter,
but numbers usually don't increase until late April.
Michael Sledjeski
Del Rio TN
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