JOHN DEVRIES / SCIENCE PHOTO LIBRARY JOHN DEVRIES / SCIENCE PHOTO LIBRARY
Red deer stag calling (Cervus elaphus) amongst autumn foliage. Mature red deer stags call to keep their harem of females together. They also call to challenge one another for the attention of the females during the mating season. The mating season begins in August and continues until early winter. Photographed in October, in Surrey, UK.
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