Phainopepla

Phainopepla
Phainopepla

Sunday, September 4, 2011

The Endless Summer

Or so it sometimes seems in Tucson.  And it's not necessarily a good thing.  By the time September rolls around, we've had just about all this fun we can stand!  Some desert denizens, however, can't get enough of the heat.  Take the short, stubby barrel cactus.  By the first of September, it is just coming into it's glory days, blooming long after all the other cactus species, thus sharing its fame with none of them.  I showed you some of them last month, but can't help taking more photos.

All of these and many, many more were in bloom at the Desert Museum on Friday.  I particularly love the barrels with the super-long spines, but I wouldn't want to try to plant one.






 Cactuses have wide, shallow roots to gather as much moisture as possible from the desert surface, where pounding rains often send water racing across the land, not allowing it to soak in.  The moisture is then stored in the fleshy body of the plant where it is protected from transpiration by a waxy skin and special photosynthesis called CAM.  The spines do their job of keeping the predators at bay.  Ground squirrels and even deer will brave the spines to eat the bitter-tasting fruit and help disperse the seeds.  Cactus flowers are what primarily define the family.  All have many stamens and a multi-lobed stigma.  Native cactus bees are the primary pollinators.

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The white-winged doves have left town, a sure sign that summer will eventually be over.  I won't miss their greedy monopoly of the bird feeders.

And now the nectar-feeding bats have arrived to nightly empty my hummingbird feeders.  They are readying for their long migration to Mexico later in the fall.  It's quite amazing how these little creatures can find such a nectar source in this urban environment, flying many miles each night from their day roost in mountain caves.

Two species of bats spend the summer in southern Arizona - the Lesser Long-Nosed and the Mexican Long-Tongued.  To my knowledge, I've only ever had Lesser Long-Nosed at my feeders.  It seems as though very little is known about the overall roosting, mating and foraging habits of these bats, but recent and continuing studies are changing that and providing a clearer picture.  For several years I have participated in a monitoring program which records data from many volunteers regarding the bats' feeding habits at the hummingbird feeders.  Generally, the bats begin arriving around the middle of August and come nightly until sometime in October.  The darkness and the rapid movement of the bats combine to make it difficult to count or photograph them.

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Our summer getaway took us to the White Mountains of east central Arizona, where the high country offered green meadows, cool temperatures, daily rain, wildflowers, and, on the sad side, a look at the devastation of the recent huge Wallow Fire, the largest in Arizona's history.

For the entire photo album, go to White Mountains Photos

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Next up was a too-brief trip to Reno, mainly so I could attend the funeral service of my Uncle Rich, my mother's younger brother, and to pay tribute also to my Aunt Grace, another of the siblings, who also recently passed away.  Of the five children of Thad and Amy Bath, my grandparents, only the eldest son survives.  Adin, California, just over 150 miles northwest of Reno, was their hometown and where the service was held.  Despite the sad occasion, it was good to see so many cousins and their families.  Having spent every summer vacation and every school holiday on the family ranch in nearby Ash Valley, a visit to this magnificent country brings back so many memories.



In Reno, my sisters and I celebrated our August birthdays with a dinner at Zagol, an Ethiopian restaurant.  It was fun and delicious, and we had some good laughs over the strange, sponge-like bread that is used in place of utensils to scoop up the food.


More photos at Reno and Ash Valley Photos

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Here's to summer! Yes, even the Tucson summer.




4 comments:

  1. A very nice post! And the cactuses flowers are really beautiful like the bat!

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  2. I never thought about bats using hummingbird feeders. How long did it take you to get that great bat picture? Thanks for helping me learn something new every day. :)

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  3. Thank you, Lidia! And Judy, my husband took the bat photo and it did take him quite a while. He had to get out his old 35mm SLR. Thank you both for your comments!

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  4. I remember that it took at least a half hour to even get into the museum because the plants were so beautiful in the parking lot.

    Thanks for the beautiful pictures and great information.

    I'll be at Catalina State Park the evening of Oct. 31 through pretty early the next morning.
    Any chance we can meet? mbkircus@gmail.com

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