For the next five days, swans along the Thames are being ringed as part of the annual swan upping event, an ancient ceremonial barking-mad oddity, but also today an an important conservation effort. The Guardian celebrates it in this editorial.
Also see this short video on swan-upping with a bunch of birders and toffs.
Chinese mitten crabs are becoming increasingly common in the River Thames and other rivers in England, having arrived in ship’s ballast from Asia. Mitten crabs cause a great deal of damage by burrowing into and destroying fragile riverbanks. They prey on other species and compete with native animals such as crayfish. Continue reading Mitten crabs in the Thames