Arizonensis


This web site is a focus for the study and appreciation of Arizona Natural History. Topics include: Plants, Animals, Fungi, Geology, Insects. Anyone with an interest in sharing their accumulated knowledge or appreciation of Arizona's natural scene is welcome to make a contribution. Volunteer editors and contributors needed. Email: mjplagens@arizonensis.org

Huge Saguaro was growing north of Tucson, AZ in 1978 but later succummed to the stresses of urban sprawl.  Photo by Mike Plagens

Sonoran Desert Naturalist

An extensive guide of over 1000 web pages covering the study of the nature in the Sonoran Desert. Many, many photos, watercolors, and descriptions of birds, insects, arachnids, plants, and habitats of the Sonoran Desert. Where to hike and what Natural History to see.

Antx, bees and wasps in the Sonoran Desert

Venomous insects in the Sonoran Desert include many bees and wasps. Surprisingly some ants sting worse than many bees! These are our all-important pollinators, so we must protect them anyway.

Beetles

Coleopterist's aren't sure who said it but it rings true: If you want to know the Creator study his/hers favorite subject: Beetles. There are way more kinds of beetles than any other order of animals in the Sonoran Desert.



Desert Habitat Birds

Picture guide to common birds in Arizona's Sonoran Desert. Plus a guide to Riparian Birds and also to Desert City Birds.


Big bugs, small bugs, noisy bugs, colorful bugs, water bugs, seed bugs, aphids and hoppers! Picture guide to some Sonoran Desert True Bugs. So many bugs, so little time.

Butterflies and Moths in the Sonoran Desert

Butterflies in the Sonoran Desert: An amazing variety of butterflies and moths are found in the Sonoran Desert with both tropical elements and temperate mountain and chaparral elements.



Leaf Cutter Ant.  Photo by Tightloop.com

Ants of the Southwest

A fantastic journey into the Lilliputian world of ants ... lots of detailed photos and natural history descriptions by Dale Ward. Despite their small size ants are among the most important keystones in the ecology of the Sonoran Desert and other Arizona habitats.

Flora List by Plant Family

Guide with color photos and line drawings to almost 400 species of Sonoran Desert Plants. A few are still missing from the guide. If you can, please submit a good photo of a missing species with data to mjplagens@arizonensis.org.

Spiders and their kin

Eight-legged Critters in the Sonoran Desert: Spiders, Scorpions and Mites. Save one or two mildly dangerous most are more interesting than scary.



Photo copyright Earl Robinson

Arizona Enigma

Stories and Fables by Ann McDermott. A unique vision of the Sonoran Desert.

Camelback Mountain

Camelback Mountain, Phoenix

This bold red mountain rises above the teaming city. It entices both experienced and inexperienced to climb and explore.

Arizona's largest tree the National Champion Fremont Cottonwood

Arizona Registry of Big Trees

Complete listing of Arizona's National Champion trees. Coordinated by Ken Morrow. Shown here is probably the single, largest flowering plant (angiosperm) in the United States, proof that Arizona is more than a desert.

Arizona's extensive mountains offer forests and alpine meadows

Ponderosa Woodland Biota

Cool mountain forests are just an hour or two drive from the hot deserts. A completely different set of plants and animals live among the conifers.



Sycamore woodland flora

Riparian Plants inhabit the watered bottoms of canyons that slice into the mountains. With very wet habitats in close proximity to rocky and often densely shaded habitats the range of species is great.

Nature hikes in watered canyons

Sycamore Woodlands are among the most glorious of natural landscapes in the desert southwest. Dozens and dozens of places are called "Sycamore Creek" or "Sycamore Canyon". Exploring these places always surprise and amaze an observant naturalist.





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Michael J. Plagens, 1997-2014

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