Links in page

Birds

Reptiles

Flora

Cactus

Lichens

Geology

Bob and friends

Desert art

28 Palms

Sunsets

Itinerary

My Joshua Tree photo pages

Biogeography of Joshua Tree National Park course

Joshua Tree July 2022

Joshua Tree December 2021

Bob
Signs
Mohave Desert tortoise (Gopherus agassizii)
Joshua Tree National Park
August 1, 2022
Canon 7Dmark2

Antelope in squirrel form

White-tailed antelope squirrel (Ammospermophilus leucurus)
Family: Sciuridae (squirrels
) Hidden Valley, Joshua Tree National Park
July 31, 2022
Canon R5

Squirrel

White-tailed antelope squirrel (Ammospermophilus leucurus)
Family: Sciuridae (squirrels
) Joshua Tree National Park
July 30, 2022
Canon R5

Squirrel

White-tailed antelope squirrel (Ammospermophilus leucurus)
Family: Sciuridae (squirrels
) Joshua Tree National Park
July 31, 2022
Canon R5

Bunny

Desert cottontail (Sylvilagus audubonii)
Family: Leporidae (rabbits and hares)
Joshua Tree National Park
August 1, 2022
Canon R5

Big horn sheep zone

Signs
Big horn sheep()
Family: ()
Joshua Tree National Park
July 30, 2022
Canon 7Dmark2

Birds

Black-throated sparrow (Amphispiza bilineata)
Family: Passerellidae (New World sparrows)
Joshua Tree National Park
August 1, 2022
Canon R5

Quail

Gambel's quail (Callipepla gambelii)
Family: Odontophoridae (New World quails)
Joshua Tree National Park
August 1, 2022
Canon R5

Quail

Gambel's quail (Callipepla gambelii)
Family: Odontophoridae (New World quails)
Joshua Tree National Park
July 30, 2022
Canon R5

Hummingbird

Costa's hummingbird (Calypte costae)
Family: Trochilidae (hummingbirds)
Joshua Tree National Park
July 30, 2022
Canon R5

Hummer

Costa's hummingbird (Calypte costae)
Family: Trochilidae (hummingbirds)
Joshua Tree National Park
July 30, 2022
Canon R5

Raven on Joshua tree

Common raven (Corvus corax )
Family: Corvidae ()
Joshua Tree National Park
July 30, 2022
Canon R5

Black-throated sparrow (Amphispiza bilineata)
Family: Passerellidae (New World sparrows)
Joshua Tree National Park
July 31, 2022
Canon R5

Black-throated sparrow (Amphispiza bilineata)
Family: Passerellidae (New World sparrows)
Joshua Tree National Park
August 1, 2022
Canon R5

Road runner crossing

Road runners
Signs
Joshua Tree National Park
July 31, 2022
Canon 7Dmark2

Reptiles

Mohave Desert tortoise (Gopherus agassizii)
Family: Testudinidae (tortoises)
Rattlesnack Canyon, Joshua Tree National Park
July 30, 2022
Canon R5

Mohave Desert tortoise (Gopherus agassizii)
Family: Testudinidae (tortoises)
Joshua Tree National Park
July 30, 2022
Canon 7Dmark2

Tortoise close

Mohave Desert tortoise (Gopherus agassizii)
Family: Testudinidae (tortoises)
Joshua Tree National Park
July 30, 2022
Canon R5

Tortoise carapace

Mohave Desert tortoise (Gopherus agassizii)
Family: Testudinidae (tortoises)
Joshua Tree National Park
July 30, 2022
Canon R5

Southwestern speckled rattlesnake (Crotalus pyrrhus)
Family: Viperidae (vipers)
Joshua Tree National Park
July 30, 2022
Canon R5

Rattler

Southwestern speckled rattlesnake (Crotalus pyrrhus)
Family: Viperidae (vipers)
Joshua Tree National Park
July 30, 2022
Canon R5

Fencing - western style

Western fence lizard
Hidden Valley, Joshua Tree National Park
July 31, 2022
Canon R5

()
Family: ()
Joshua Tree National Park
August 1, 2022
Canon 7Dmark2

Common side-blotched lizard (Uta stansburiana)
Family: Phrynosomatidae (phrynosomatid lizards)
Joshua Tree National Park
August 1, 2022
Canon 7Dmark2

Zebra-tailed lizard (Callisaurus draconoides )
Family: Phrynosomatidae (phrynosomatid lizards)
Joshua Tree National Park
July 31, 2022
Canon R5

Lizard

()
Family: ()
Joshua Tree National Park
July 31, 2022
Canon 7Dmark2

Frogs

Red-spotted toad (Anaxyrus punctatus)
Family: Bufonidae (true toads)
Joshua Tree National Park
August 1, 2022
Canon R5

Red-spotted toad (Anaxyrus punctatus)
Family: Bufonidae (true toads)
Joshua Tree National Park
August 1, 2022
Canon 7Dmark2

Tadpoles

()
Family: ()
Joshua Tree National Park
August 1 2022
Canon 7Dmark2

Tadpole

Red-spotted toad (Anaxyrus punctatus)
Family: Bufonidae (true toads)
Joshua Tree National Park
August 1, 2022
Olympus Tough TG-6

Arthropods

Desert Hairy Scorpion (Hadrurus arizonensis)
Family: Hadruridae (giant hairy scorpions)
Joshua Tree National Park
July 31, 2022
Canon 7Dmark2

Desert Hairy Scorpion (Hadrurus arizonensis)
Family: Hadruridae (giant hairy scorpions)
Joshua Tree National Park
July 31, 2022
Canon 7Dmark2

Puddled larva

Larva
Hidden Valley, Joshua Tree National Park
August 1, 2022
Olympus TG-6

Moth ()
Family: ()
Joshua Tree National Park
July 31, 2022
Canon 7Dmark2

Beetle upside down

Beetle ()
Family: ()
Joshua Tree National Park
July 31, 2022
Canon 7Dmark2

Termite

()
Family: ()
Joshua Tree National Park
July 30, 2022
Canon 7Dmark2

Scale

Scale ()
Family: ()
Joshua Tree National Park
July 31, 2022
Canon 7Dmark2

Hopper

Pallid-winged grasshopper (Trimerotropis pallidipennis)
Family: Acrididae (short-horned grasshoppers)
Joshua Tree National Park
July 30, 2022
Canon R5

Flora

Joshua Tree

Joshua tree (Yucca brevifolia)
Family: Asparagaceae (agave, yucca, asparagus)
Joshua Tree National Park
July 31, 2022
Canon R5

Joshua Tree

Joshua tree (Yucca brevifolia)
Family: Asparagaceae (agave, yucca, asparagus)
Sky's the Limit
Joshua Tree National Park
July 31, 2022
Canon R5

Joshua tree

()
Family: ()
Joshua Tree National Park
July 31, 2022
Pixel6 Pro

Joshua Trees

Joshua tree (Yucca brevifolia)
Family: Asparagaceae (agave, yucca, asparagus)
Joshua Tree National Park
July 31, 2022
Canon R5

Joshua tree (Yucca brevifolia)
Family: Asparagaceae (agave, yucca, asparagus)
Joshua Tree National Park
July 31, 2022
Pixel 6 Pro

JT forest

Joshua tree (Yucca brevifolia)
Family: Asparagaceae (agave, yucca, asparagus)
Joshua Tree National Park
July 31, 2022
Canon R5

Joshua tree

()
Family: ()
Joshua Tree National Park
July 31, 2022
Canon R5

Fruit

Joshua tree (Yucca brevifolia)
Family: Asparagaceae (agave, yucca, asparagus)
Joshua Tree National Park
July 31, 2022
Olympyus Tough TG-6

Seeds

Joshua tree (Yucca brevifolia)
Family: Asparagaceae (agave, yucca, asparagus)
Joshua Tree National Park
July 31, 2022
Olympyus Tough TG-6

Roots

Joshua tree (Yucca brevifolia)
Family: Asparagaceae (agave, yucca, asparagus)
Joshua Tree National Park
July 31, 2022
Olympus tough TG-6

Cactus

California barrel cactus (Ferocactus cylindraceus)
Family: Cactaceae (cactus family)
Joshua Tree National Park
July 31, 2022
Canon R5

Prickly pear cactus ()
Family: Cactaceae (cactus family)
Joshua Tree National Park
July 31, 2022
Canon R5

Rabbits - in cactus form

Bunny ears prickly pear cactus ()
Family: Cactaceae (cactus family)
Joshua Tree National Park
July 30, 2022
Canon R5

()
Family: Cactaceae (cactus family)
Joshua Tree National Park
July 30, 2022
Canon R5

Matted cholla (Corynopuntia parishii)
Family: Cactaceae (cactus family)
Joshua Tree National Park
July 31, 2022
Canon R5

Not cuddly

Teddybear cholla (Cylindropuntia bigelovii)
Family: Cactaceae (cactus family)
Joshua Tree National Park
July 31, 2022
Canon 7Dmark2

()
Family: ()
Joshua Tree National Park
August 1, 2022
Canon 7Dmark2

Creosote bush (Larrea tridentata)
Family: Zygophyllaceae (calthrops family)
Joshua Tree National Park
July 30, 2022
Canon 7Dmark2

Creosote

Creosote bush (Larrea tridentata)
Family: Zygophyllaceae (calthrops family)
Joshua Tree National Park
August 1, 2022
Canon 7Dmark2

Large creosote gall midge (Asphondylia auripila)
Family: Cecidomyiidae (gall and forest midges)
Creosote bush (Larrea tridentata)
Family: Zygophyllaceae (calthrops family)
Joshua Tree National Park
July 30, 2022
Canon 7Dmark2

()
Family: ()
Joshua Tree National Park
August 1, 2022
Canon 7Dmark2

()
Family: ()
Joshua Tree National Park
August 1, 2022
Canon 7Dmark2

Dried flowers

California buckwheat ()
Family: ()
Joshua Tree National Park
July 31, 2022
Canon R5

Showy honey-myrtle (Melaleuca nesophila)
Family: Myrtaceae (myrtle family)
Joshua Tree National Park
July 30, 2022
Canon R5

Spiny senna

Spiny senna (Senna armata)
Family: Fabaceae (peas, beans, legumes)
Indian Cove, Joshua Tree National Park
July 31, 2022
Canon 7Dmark2

Stalks

Spiny senna (Senna armata)
Family: Fabaceae (peas, beans, legumes)
Joshua Tree National Park
August 1, 2022
Canon 7Dmark2

()
Family: ()
Joshua Tree National Park
July 30, 2022
Canon R5

()
Family: ()
Joshua Tree National Park
July 30, 2022
Canon R5

Muller's oak (Quercus cornelius-mulleri)
Family: Fagaceae (oak and beech family)
Joshua Tree National Park
July 31, 2022
Canon R5

Flower

()
Family: ()
Joshua Tree National Park
August 1, 2022
Olympus Tough TG-6

Manzanita

()
Family: ()
Joshua Tree National Park
July 31, 2022
Canon R5

California Juniper (Juniperus californica)
Family: Cupressaceae (cypress family)
Joshua Tree National Park
July 31, 2022
Canon R5

()
Family: ()
Joshua Tree National Park
July 31, 2022
Canon 7Dmark2

()
Family: ()
Joshua Tree National Park
July 31, 2022
Canon R5

Pine

()
Family: ()
Joshua Tree National Park
July 31, 2022
Olympyus Tough TG-6

Peacock in floral form

Peacock flower (Caesalpinia pulcherrima)
Family: Fabaceae (pea, legumes)
cf: Peacock ()
Joshua Tree National Park
July 30, 2022
Canon R5

Lichen

Lichen

()
Family: ()
Joshua Tree National Park
August 1, 2022
Canon 7Dmark2

()
Family: ()
Joshua Tree National Park
August 1, 2022
Canon 7Dmark2

()
Family: ()
Joshua Tree National Park
August 1, 2022
Canon 7Dmark2

Lichen on rock

()
Family: ()
Joshua Tree National Park
August 1, 2022
Canon 7Dmark2

Geology

Boulders and sky

Joshua Tree National Park
July 30, 2022
Canon R5

Boulder jumble

Joshua Tree National Park
July 30, 2022
Pixel6 Pro

Joshua Tree National Park
July 31, 2022
Pixel 6 Pro

Rocks

Joshua Tree National Park
July 30, 2022
Canon R5

Rocks and sky

Joshua Tree National Park
July 30, 2022
Canon R5

Dead tree

Joshua Tree National Park
July 31, 2022
Canon 7Dmark2

Wonderland

()
Family: ()
Joshua Tree National Park
July 30, 2022
Canon 7Dmark2

Tunnel

Joshua Tree National Park
Indian Cove, Joshua Tree National Park
July 31, 2022
Canon 7Dmark2

Hills

Joshua Tree National Park
July 30, 2022
Canon R5

Crazy rocks

Joshua Tree National Park
July 31, 2022
Pixel 6 Pro

Joshua Tree National Park
August 1, 2022
Canon 7Dmark2

Grain

Joshua Tree National Park
Indian Cove, Joshua Tree National Park
July 31, 2022
Olympus TG-6

Rock art

Indian Cove, Joshua Tree National Park
July 31, 2022
Canon 7Dmark2

Spy cam

()
Family: ()
Joshua Tree National Park
July 30, 2022
Canon 7Dmark2

Water in the desert

Joshua Tree National Park
August 1, 2022
Canon R5

Live-streaming in Joshua Tree

Joshua Tree National Park
August 1, 2022
Olympus Tough TG-6

Cloud burst

Joshua Tree National Park
July 31, 2022
Canon 7DmarkII

People

Bob and Ralph

Joshua Tree National Park
July 28, 2022
Canon 7Dmark2

Bob and Ralph with flash

Joshua Tree National Park
July 28, 2022
Canon 7Dmark2

Bob and Dave

Joshua Tree National Park
August 1, 2022
Olympus Tough TG-5

Bob and John

Joshua Tree National Park
August 1, 2022
Olympus Tough TG-5

Dante and Bob

Joshua Tree National Park
August 1, 2022
Olympus Tough TG-5

Bob and dragon

Bob
Dragon
Glass Outdoor Art Gallery off Thunder Road
Joshua Tree National Park
July 28, 2022
Pixel 6 Pro

Desert art

Desert sentinel

Glass Outdoor Art Gallery off Thunder Road
Joshua Tree National Park
July 28, 2022
Pixel 6 Pro

Glass Outdoor Art Gallery off Thunder Road
Joshua Tree National Park
July 28, 2022
Canon R5

Glass Outdoor Art Gallery off Thunder Road
Joshua Tree National Park
July 28, 2022
Canon R5

Glass Outdoor Art Gallery off Thunder Road
Joshua Tree National Park
July 28, 2022
Canon 7Dmark2

Sky's the Limit

Observatory

Joshua Tree National Park
July 31, 2022
Canon 7Dmark2

Observatory

()
Joshua Tree National Park
July 31, 2022
Canon 7Dmark2

Sun sculpture

Sculpture
Family: ()
Joshua Tree National Park
July 31, 2022
Canon R5

Sculpture

Sculpture
Joshua Tree National Park
July 31, 2022
Canon 7Dmark2

Joshua Tree National Park
July 31, 2022
Pixel 6 Pro

Bob
Joshua Tree National Park
July 31, 2022
Pixel 6 Pro

Sky's the limit and beyond

Sculpture
Joshua Tree National Park
July 31, 2022
Canon 7Dmark2

Cat sculpture

Sculpture
Cat ()
Family: Felidae (cats)
Joshua Tree National Park
July 30, 2022
Canon R5

Farmers market

Farmers market

Signs
Joshua Tree National Park
July 2022
Canon 7Dmark2

Tomatoes

Tomato (Solanum lycopersicum)
Family: Solanaceae (tomato, potato, nightshade)
Twentynice Palms, Joshua Tree National Park
July 30, 2022
Canon 7Dmark2

Singer

Farmers market
Joshua Tree National Park
July 30, 2022
Canon 7Dmark2

Store front - Cliff Hanger Guides

Joshua Tree National Park
July 2022
Canon 7Dmark2

Nothing happened

Signs
Joshua Tree National Park
July 2022
Canon 7Dmark2

Railroad crossing

Signs
Joshua Tree National Park
July 31, 2022
Canon 7Dmark2

Minerva Hoyt

Joshua Tree National Park
August 1, 2022
Canon 7Dmark2

28 Palms

Joshua Tree National Park
July 29, 2022
Canon 7Dmark2

28 Palms
July 29, 2022
Canon 7Dmark2

28 Palms
July 29, 2022
Canon 7Dmark2

Inside the yurt

28 Palms
July 29, 2022
Pixel 6 pro

Yurt

28 Palms
July 29, 2022
Pixel 6 pro

Solar array

29 Palms
July 29, 2022
Pixel 6 pro

Solar array

Signs
Joshua Tree National Park
July 29, 2022
Canon 7Dmark2

Stickers

Joshua Tree National Park
August 1, 2022
Canon 7Dmark2

U2 quote

Joshua Tree National Park
August 1, 2022
Canon 7Dmark2

The Dez

Licenses
Joshua Tree National Park
August 1, 2022
Canon R5

Car decal

Joshua Tree National Park
August 1, 2022
Canon 7Dmark2

Itinerary - in progress

Joshua Tree itinerary - July 28, 2022 - August 1, 2022

July 28, 2022 Wednesday - Day 1 - Maricopa to Joshua Tree

Leave Maricopa and head west via I-10

Glass Outdoor Art Gallery off Thunder Road

Dinner with Ralph Megna at Joshua Tree Saloon

Arrive late in Twentynice Palms

Stay with Dave and John

July 29, 2022 Thursday - Day 2 - Joshua Tree

Dinner with Dave and John and

Stay with Dave and John

July 30, 2022 Thursday - Day 3 - Joshua Tree

Dinner with Dave and John and

Stay with Dave and John

July 31, 2022 Thursday - Day 4 - Joshua Tree

Sky's the Limit observatory and nature walk

Barker Dam

Indian Cove

Dinner with Dave and John and

Stay with Dave and John

August 1, 2021 Thursday - Day 5 - Joshua Tree to San Marino

Breakfast at Dave and John's

Work on expense report

Meet with Kevin Wong

Hike around Rattle Snake Canyon

Stay with the Walshs in San Marino

Acknowledgments