Sixty years ago the Thames Estuary was regarded as "biologically dead" and largely devoid of wildlife. But, in recent years seals have returned to the Thames as well as to the coastal and low-lying lands bordering the estuary. Last year, scientists recorded more than 3,500 harbour and grey seals. https://ift.tt/2IDpJZz https://ift.tt/2tQhKD1 https://ift.tt/2tQhKD1 https://ift.tt/2KzmVSe

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Submitted June 30, 2018 at 02:42AM by ManiaforBeatles https://ift.tt/2KzmVSe ManiaforBeatles