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By Peter Alden

About Peter Alden

Peter Alden is a world renowned naturalist, wildlife lecturer, ecotourism guide, and the author of 15 books on North American and African wildlife. Click here to find out more.

Archive for July, 2009

Trolling for Leeches

Sometimes you’ve got to roll up your sleeves - or pants leg - to get the job done, as I was doing to identify leeches in the Concord woods during Walden Biodiversity Day, a 24-hour bio-blitz to inventory all species that can be seen with the naked eye in Concord, Carlisle and Lincoln Massachusetts.

The Worcester [...]