Juvenile herons can be distinguished from their parents by their black head feathers. After two or three years herons develop a white crown which they possess throughout adulthood. The favorite food ...
Herons in Europe / Loïc Marion, Paula Ulenaers, and Janine van Vessem -- Herons in the Mediterranean / Heinz Hafner -- Herons in South and West Asia / Christian Perennou, Richard V. Lansdown, and ...
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