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Great blue heron at Snowden pond

By Eastern Ecological Science Center
A large waterbird stands in a pond with water lilies.
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Detailed Description

Great Blue Heron at Snowden Pond, Patuxent Research Refuge, Laurel, MD. Patuxent Research Refuge is the only National Wildlife Refuge established explicitly for research purposes, and is home to both USFWS and USGS programs, including the Bird Banding Lab.

Sources/Usage

Public Domain.