David Larson leads natural history trips and tours for Mass Audubon. Local and North American trips are usually sponsored by the Joppa Flats Education Center in Newburyport, Massachusetts, while international trips are sponsored by Mass Audubon Tours out of Lincoln, Massachusetts. Bosque del Apache and the Rio Grande Corridor You missed this one - here are some photos from a great trip Churchill and Southern Manitoba Another great trip and some photos to prove it! Trinidad Birding Photos from July 14-25, 2007 Birding Southern California: Santa Cruz Island to the Salton Sea Photos from a great trip (September 30-October 5, 2007)  Botswana Birding Safari Photos from a fabulous trip (March 11-22, 2008 Brazil: Birding the Atlantic Coastal Range July 20-26, 2008 Australia Birding  September 21 - October 6, 2008
	Updated 4/2/08