David Larson leads natural history trips and tours for Mass Audubon.


Previous trips

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.


Upcoming and Recent Tours

Louisiana: Yellow Rails and Cajun Country (November 3-9, 2015)

We couldn't stay away! Five species of rails, waterbirds, shorebirds, alligators, and jambalaya. Let the good times roll!

Machias Seal Island and Eastern Maine (June 13-15,2015)

Back to Machias again for seabirds and in the boreal forests for land birds. This trip has it all.

Birding Northern New Jersey and Southern New York for Breeding Warblers (May 29-31, 2015)

This new trip is going to be fun. We don't have to go too far to see some awesome warblers.

Costa Rica Birding North to South  (4/5-15/2015)

Costa Rica is a pocket paradise and we are going to some of the best spots of all.

Boreal Birds in Minnesota: aka the Owl Prowl (2/15-19/2015)

Great Trip! At least 3 Great Gray Owls, 3 Northern Hawk Owls, and much more.

Back to the Olympic Peninsula (9/4-12/2014)

Great trip!

Western Cuba Volunteer Trip (7/2-10/2014)

Ah, endemics, wonderful people, beautiful beaches and scenery. Photos.

Machias Seal Island and Downeast Maine (6/21-23/2014)

This trip is 28 years old and going strong! Here are photos.

Boreal Forest and Prairies: Minnesota and North Dakota (6/1-9/2014)

What a hoot. Here are the photos.

Birding Big Bend and West Texas (4/29-5/6/2014)   

Great times pardner.

Kenya Birding and Big Game Safari (2/26-3/12/2014) Extension to Tanzania (3/11-19)

Just absolutely amazing birds, mammals, scenery, etc.!

Louisiana: Cajun Country and Yellow Rails (10/29-11/4/2013)

Fabulous birds and food. What more do you want?

Montana: Potholes, the Rocky Mountain Front, and Glacier National Park (7/15-22/2013)

Great trip and the photos prove it. 

Yosemite, Mono Lake, and Point Reyes, California (6/30 - 7/6/2013)

Always a popular trip. Photos.

Scouting trip to Minnesota and North Dakota (6/3-11/2013)

Wonderful tour -we'll do it again next June. Here's some pix.

Back to Botswana and the Okavango! (3/11-22/2013)

Photos from a fabulous trip

Olympic Peninsula Birding again - sweet! (9/6-14/2012)

Photos from a fun trip

Back to Ecuador in 2012! (2/27-3/11/2012)

Great tour followed by a personal extension to Tapichalaca.


Workshops and Courses

Wood-Warbler Workshop

May 8-9, 2015

More to come!


 Updated 2/27/2015