Archive for February 25th, 2011

25th February 2011, Friday

Reterns

The noise level increases day by day at Ternery Pool with more and more gulls fighting for mates and territories, but today the sound of the first Sandwich Terns of the year was heard - with 3 birds there.

25th February 2011, Friday

Medicinal leeches and drought

Returning to a familiar theme, the impact of drought on a series of grazing marsh ditches at East Guldeford, my latest post brings me to the medicinal leech, Hirudo medicinalis.  Drought would seem an obvious killer for this animal, however the leech is a resiliant beast.  Last summer I netted the ditches that had dried out in 2009 and found the leech to be distributed in good numbers through most of them, even an extremely isolated and ephemeral ditch that dries out in most years.

Whilst I guess the Read the rest of this entry »