The aerial photos will be used to count grey seal pups on Sable Island. Depending on their developmental stage, pups are various `shades' of white while they retain their birth coat, and dark once they have moulted.
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The aerial photos will be used to count grey seal pups on Sable Island. Depending on their developmental stage, pups are various `shades' of white while they retain their birth coat, and dark once they have moulted. |
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