Wild Flower Report ¦ Field Trip Reports ¦ Mammals ¦ Birds ¦ Cacti ¦ Shrubs and Trees
The city of Tucson has continued to grow in population and area such that protected areas like the national parks and forest are rimmed in by urban sprawl. From the convenience of the urban environment hikers can hike straight into some of the most beautiful desert environments anywhere in the world. The danger is that proximity to densely populated areas could effect vulnerable or keystone species. Stray pets, hunting, watered lawns, road kills, noise, light polution, heat island effects, and drifting sprays of pesticides and fertilizers are all examples of threats posed by nearby population centers. For now the forests of saguaro cactus and the hundreds of other plant and animal species can be easily observed from the loop drive and the many crisscrossing trails. The high Rincon Mountains form the east boundry of the park and offer an important corridor for wildlife movements. From E. 22nd Street head southeast on Old Spanish Trail. The park entrance and headquarters are on the left just at Freeman Rd. The loop drive is one-way and offers numerous pullouts and several picnic areas. The scenery is truly breathtaking. |
Field Trip: Aug. 28-29, 2016The summer monsoon season for 2016 was sporadic and fitful. Several storms with substantial rain had watered this area followed by weeks without any rain. Ocotillos and palo verdes were in full leaf, but very few annuals had succeeded in growing robustly. Summer poppies (Kallstroemia), for example, were nowhere to be seen. Woody shrubs and especially the cacti are well adapted to deal with this precipitation regime. Many Fishhook Barrel Cactus had grand crowns of open red, yellow or orange flowers. It was hot and pretty humid, but every time I came upon another barrel in bloom I was glad to be out. I drove the loop drive where many visitors were bicycling or running. Otherwise crowds were scarce and most pullouts offered desert beauty and solitude. Paper flower and desert senna were in full bloom with bright yellow flowers. See the summer wildflower list below. The following morning, Aug 29th was a Monday and I was surprised that the 20 or so parking spots on Broadway Mica Trailhead were filled at 6 a.m. It was a gorgeous morning with pleasant temperatures before 10 a.m. The Mica Trail is wide, level and smooth and thus easily walked by all. Birds, wildlife and all the cactus species were easily observed. The only annoyance was the number of Hippelates flies. These small insects are known also as eye gnats for their habit of gathering at the eyes and nose seeking a bit of moisture. The do not bite, but also pay little heed to insect repellant. Also seen were the workings of encrusting termites, a kind that never damages human dwellings. It is about a kilometer (less than a mile) from the trailhead to the Mica View picnic area on the loop drive. Hikers from the Broadway entrance should have a paid park entry. Eye GnatsEncrusting Termites |
Mica View Trail at Saguaro National Park. The bigger tree at left rear is velvet mesquite, cacti are Engelmann Prickly-pear, Staghorn Cholla, and in the far back Chain-fruit Cholla. Blooming yellow flowers are Paper Flower and the white flowers are Desert Zinnia. |
BirdsCommon Species from August Trip:
Given sufficient effort most of the Sonoran Desert Bird species are likely to be seen. White-winged Doves are abundant through the summer months, but head south abruptly around the end of August. |
Greater Roadrunner photo by Marc Borom. |
MammalsThese were seen 27 to 28 Aug. 2016
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Mistly in order of abundance:
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Fishhook Barrel flowers can be orange, yellow or red! |
Shrubs and TreesMore common species listed first. By no means is this an exhaustive list, just the more conspicuous ones that I observed.
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Mesa Tansy Aster begins blooming in August contingent on adequate summer rains. The white flowers of Desert Zinnia appear in spring and again in late summer, again, contingent on adequate summer rains. |
Brittlebush |
Desert Marigold |
Orange Fiddleneck |
Desert Bladderpod |
Lyre-leaf Jewel-flower |
Desert Zinnia |
American Wild Carrot |
Narrow-leaf Popcorn Flower |
Fairy Duster |
Desert Globe Mallow |
Blue Dicks |
Arizona Lupine |
Blue Phacelia |
Purple Bladderpod |
Parry Dalea |
Jojoba |
Sonoran Desert Naturalist
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Copyright Michael
J. Plagens, page created 15 March 98,
updated 17 Sept. 2016.