2011:
Spring trip (part 1) (Home to Patagonia, AZ)
Spring trip (part 2) (Patagonia, AZ to Rio Grande Valley)
Spring trip (part 3) (Rockport to Proctor Lake, TX)
Spring trip (part 4) (Proctor Lake, TX to home)
Fall trip (part 1) (Home to Canyonlands NP.)
Fall trip (part 2) (Blanding UT area to Capitol Reef NP.)
Fall trip (part 3) (Boulder, UT area to ....)
2010:
Fall trip (part 1) (Home to Zion NP)
Fall trip (part 2) (Zion NP to back home again)
Spring trip (part 1) (Home to Burro Creek, AZ )
Spring trip (part 2) (Tucson to South Llano River SP, TX)
Spring trip (part 3) (South Llano River SP, TX to Rockport area, TX
Spring trip (part 4) (Rockport area, TX to Wichita Mountain NWR, OK)
Spring trip (part 5) (Wichita Mountain NWR, OK to home)
2009:
Fall trip (part 1) (Home to Kodachrome Basin SP)
Fall trip (part 2) (Zion NP to home)
Spring trip (part 1) (Home to Goose Island, Tx)
Spring trip (part 2) (Brazos Bend to Lost Maples, Tx)
Spring trip (part 3) (South Llano, Tx to Cave Creek, Az)
Spring trip (part 4) (Cave Creek, Az)
Spring trip (part 5) (NM to Home)
2008:
Fall trip (part 1) (Home to South Dakota)
Fall trip (part 2) (South Dakota to Indiana)
Fall trip (part 3) (Indiana to Mississippi)
Fall trip (part 4) (Mississippi to Texas)
Fall trip (part 5) (Texas to home)
Spring trip (part 1) (Home to Tucson, AZ)
Spring trip (part 2) (Tucson, AZ to Sierra Vista, AZ)
Spring trip (part 3) (Sierra Vista, AZ to Salton Sea, CA)
Spring trip (part 4) (Salton Sea, CA to Carmel Valley, CA)
Spring trip (part 5) (Bodega Bay, CA, to Bandon, OR)
Spring trip (part 6) (Bandon, OR to Seattle)
Spring trip (part 7) (Seattle to home)
2007:
Fall trip (part 1) (Home to Capitol Reef NP)
Fall trip (part 2) (Capitol Reef NP to Kodachrome Basin SP)
Fall trip (part 3) (Kodachrome Basin SP to home)
Spring trip (part 1) (Home to Tucson)
Spring trip (part 2) (Tucson to Big Bend NP)
Spring trip (part 3) (Big Bend NP to South Padre Island, TX)
Spring trip (part 4) (South Padre Island to Brazos Bend SP, TX)
Spring trip (part 5) (Brazos Bend SP, TX to Lake Colorado City, TX)
Spring trip (part 6) (Lake Colorado City, TX to home)
2006:
Fall trip (part 1) (Home to Canyonlands)
Fall trip (part 2) (Canyonlands to Zion to home)
Spring trip (part 1) (Home to Big Bend)
Spring trip (part 2) (Big Bend to Goose Island)
Spring trip (part 3) (Goose Island to S. Oklahoma)
Spring trip (part 4) (Oklahoma to home)
2005:
Fall Part #1 (Orcas Island + home to Moab)
Fall Part #2 (Canyonlands to Texas)
Fall Part #3 (Texas to home)
Spring trip (part 1) (Home to Tucson)
Spring trip (part 2) (Arizona)
Spring trip (part 3) (CA to home)
2004:
Fall trip south to Arizona
Spring trip (part 1) – TX to FL to GA
Spring trip (part 2) – GA to MI to home
Costa Rica (part 1)
Costa Rica (part 2)
2003:
Spring trip part 1, home to Baja
Spring trip part 2, AZ to Iowa
Spring trip part 3, Iowa to home
2002:
Spring trip part 1, home to Fort McKavett
Spring trip part 2, Fort McKavett to Goose Island
Spring trip part 3, Galveston to Bentsen-Rio Grand
Spring trip part 4 , Bentsen-Rio Grande to Poncho Villa SP,
Spring trip part 5, Poncho Villa SP to Maderia Canyon
Spring trip part 6, Maderia Canyon to Red Rock Lakes
Spring trip part 7, Red Rock Lakes to home
2001:
Spring trip part 1, Home to Kearney Nebraska
Spring trip part 2, Kearney to Goose Island, Texas
Spring trip part 3, Goose Island Area
Spring trip part 4, Goose Island Area
Spring trip part 5, Goose Island to Lost Maples SP, Texas
Spring trip part 6, Lost Maples to Balmorhea SP, Texas
Spring trip part 7, Balmorhea SP to home
2000:
Spring part 1, home to Sierra Vista, Arizona
Spring part 2, Sierra Vista to St Joseph Peninsula SP, Forida
Spring part 3, St Joseph Peninsula SP to Corkscrew Swamp, Florida
Spring part 4, Corkscrew Swamp to Everglades City, Florida
Spring part 5, Everglades City, Florida to St. Louis, Missouri
Spring part 6, St. Louis, Missouri to home
Cuba part 1
Cuba part 2
Cuba part 3
Mexico part 1
Mexico part 2
1999:
Spring trip part 1—home to Death Valley
Spring trip part 2—Death Valley to Organ Pipe Cactus NP
Spring trip part 3—Organ pipe thru S AZ to home
Late Summer 1999 to Vancouver Island (PDF)
1998:
Arizona (pdf)
Nebraska—Sandhill Crane Migration (pdf)
1993:
Alaska (pdf)
2012:
Spring trip to Hawaii (part 1) (Home to Kauai’i) Most recent update here