Summary
MCGREGOR (AP) - A remote expanse of northeast Iowa is the home to one of the upper Midwest's largest concentrations of the increasingly rare cerulean warbler.
The area known as the Cerulean Trench is a happy home for the warblers for obvious reasons, said Jon Stravers, a bird researcher who helped discover the pocket while conducting a bird census for the Iowa Department of Natural Resources.See the full content of this document
Extract
Mcgregor Home to Rare Bird
"This habitat is big, old, deep, wide and seldom visited by people - all...
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