Birding at Fossil Creek Reservoir 22APR17 Posted by angus48 on April 23, 2017 Posted in: Wildlife and Nature Photography. Tagged: Birding in Northern Colorado, Fort Collins, Fossil Creek. Leave a comment Happy Earth Day Everyone! Enjoy!!! Western Meadowlark Grebes and assorted water fowl. Two Clarks Grebes Best action shots I got today with my Canon EOS Rebel XT and a 1000 mm Vivitar Zoom. Let’s finish with a Robin. LOL