COMMON FROG
From beneath the duckweed covered water a common frog pokes its nose up for a breath of fresh air. The prominent eyes with their limpid black pupils and fine golden irises are perched high on the head. Like birds, frogs possess a nictating membrane - a protective semi- transparent membrane, especially useful for misjudged leaps.
Ref: 4-05
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Photographer: © Stephen Dalton
