We're especially pleased to announce the latest edition of "This Week at Hilton Pond" for two main reasons: 1) The installment includes a photo essay about our just-completed Ruby-throated Hummingbird expedition to Costa Rica, and 2) This posting marks the Tenth Anniversary of the debut of the Hilton Pond Web site and our "This Week" musings. Little did we know 'way back on Groundhog Day 2000 we would have written an hide