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Coloration in collared lizards

Friday, July 16th, 2010

Last week, I blogged about the huge variety of wildlife present in Joshua Tree National Park during the hot summer months.  Among my favorite animals in the park are the collared lizards, Crotaphytus bicinctores.  Collareds are aggressive, carnivorous lizards and are extremely flashy this time of of year.  They mate in late May-early July, and because of that, they have some fantastic colors.

male great basin collared lizard, joshua tree national Park california

Male Great Basin Collared Lizard, July 2010

The rich yellows and oranges on the legs, blue under the neck and black in the pelvic and pectoral areas are all characteristic of this species, and in my opinion, what makes it so beautiful.  The lizard above is a very accommodating male we found on the 49 Palms Oasis trail.  The females, however, are much less vibrant.

female great basin collared lizard, joshua tree national park california

Female Great Basin Collared Lizard, July 2010

Despite her more drab appearance, I still like the subtle hues present, especially the orange markings on the lateral sides of her body.  After the breeding season, these orange markings will fade, leaving the females a brownish color.  What do they mean?  While its long been known that animals change color, plumage, etc during their breeding season, a 2004 study published in the journal Herpetologica suggests that in female collared lizards, the orange markings signal to males that she is sexually receptive.  On average, orange female collared lizards were courted 5 times more frequently by males than non-orange females.

Its always important to remember that things that may just appear pretty (or sometimes, even ugly) to us very often have a function in nature.

Bighorn Sheep in Joshua Tree

Wednesday, July 14th, 2010

In my last post, I talked about some of the wildlife one can expect to find in the Mojave Desert on a hot summer day.  As it happens, that’s really only a small fraction of the diversity you’re bound to see.

After photographing birds, reptiles and insects, we headed over to my secret bighorn sheep location in hopes of finding at least one species of charismatic megafauna.  My spot did not disappoint: within about 20 minutes, I spotted a bighorn sheep ewe high on a rock, overlooking the landscape.

Desert bighorn sheep (ovis canadensis nelsoni) in joshua tree national park, california

The Sentinel, July 2010

The ewe let us walk closer to her, probably because (a) she had a good view of us, and (b) it was too hot for her to care.  Because of her cooperation, I was able to make closer images, especially using my friend’s 800mm lens.

Desert bighorn sheep (ovis canadensis nelsoni) in joshua tree national Park, california

Desert Bighorn Sheep, July 2010

After about 10 minutes, another sheep walked up to join the one we had been photographing.  I made a few more images, then left, so as to not stress them out too much–especially on a hot day!  To see all of my desert bighorn sheep images, click here.

Two desert bighorn sheep in joshua tree national park, california

The Sentinel's relief, July 2010

A visit to Joshua Tree, part 1

Monday, July 12th, 2010

Last week, a friend and I headed out to Joshua Tree National Park in search of summer wildlife.  There’s no doubt the desert is not a fun place in July–we started the first of three hikes in 80+ degree temperatures and ended up hiking in 100+ degrees, but it was a productive trip.

We started the day near the Black Rock Campground in hopes of finding Scott’s Orioles to photograph.  We did see several orioles, but they buzzed by at top speed, with no interest in stopping for us to photograph them.  Instead, we did find several very accommodating Ash-throated Flycatchers, and I got some nice shots of these pleasant birds.  To see all of my Ash-throated Flycatcher images, click here.

ash-throated flycatcher, joshua tree national park, california

Ash-throated Flycatcher, July 2010

After spending a couple of hours hiking in this area, we headed over to the 49 Palms Oasis trail, which is a fantastic place to photograph Chuckwallas and Collared Lizards.  We weren’t successful in finding many Chuckwallas, but we did find a few flashy and cooperative Collared Lizards.  These are some of my favorites, and I was very happy to find some that were so willing to let us photograph them.  To see all of my Collared Lizard images, click here.

great basin collared lizard, joshua tree national park, california

Great Basin Collared Lizard, July 2010

Great Basin Collared Lizard, joshua tree national park, california

Great Basin Collared Lizard, July 2010

When its over 100 degrees Fahrenheit outside, its easy to see why these heat-loving lizards would seek refuge in the bushes rather than the rocks–its much cooler!  Even in the upper photo, you can see the lizard’s toes lifted off the rock–presumably they stay cooler this way.

After these two very hot hikes, we headed into the main part of the park to look for antelope ground squirrels and dragonflies.  No squirrels were to be found, but we did find a scavenger-like scrub jay, as well as several dragonflies, including a new one for me: red saddlebags.

scrub jay, joshua tree national park, california

Western Scrub Jay, July 2010

Red Saddlebags, July 2010

In addition to this, we found several desert bighorn sheep (future post), and a few other cool things.  Despite the heat, it was a great day in our local National Park!

Wave Abstract

Tuesday, July 6th, 2010

Lately, I’ve been using Nik Software’s plug-ins for Photoshop and have to admit that I’m loving them.  As a result, I’ve been revisiting some old images in an attempt to breathe some new life into them.  One image in particular that I’ve had in mind is this shot of the Pacific Ocean that I took in April on my visit to Anacapa Island in Channel Islands National Park.

waves in the pacific ocean, channel islands national park

Wave Abstract, April 2010

In this shot, I wanted to accentuate the detail in the waves, as well as the water texture in both the leading and tailing edges of the waves.  By processing the lower lefthand part of the image as monochrome using Nik Software’s Silver Efex Pro and leaving the upper righthand part of the image in color, I was able to accentuate the difference in these areas of the water.

Incidentally, in my last post on my Channel Islands trip, I talked about how intense the wind was.  For most of the night, we dealt with wind gusts of 50-65 miles per hour, with no vegetative cover.  Equipment takes a beating in that kind of wind, and today I received an image from my friend, whose tent we used that night on Anacapa.  These tent poles used to be straight.

bent tent poles from anacapa island winds

The Wrath of Anacapa

The Canyons of Utah, part 2

Friday, June 25th, 2010

In my last post, I described Mystery Canyon, a slot canyon located in the backcountry of Zion National Park.  The day after visiting Mystery, we visited Behunin Canyon, another technical slots, and one of my favorite canyons in Zion.  You enter Behunin (named after Isaac Behunin, who had a homestead in Zion Canyon) from the West Rim Trail above Angel’s Landing, and the final rappel drops you into the Grotto, where you find the Emerald Pools.

To me, the word “big” really describes Behunin.  All of the rappels are large–almost all are 100′ or longer–and you really feel like a small person in a large, amazing, beautiful place when you descend into this canyon.  This was my second time through this canyon, and I was able to enjoy the day much more with the added experience under my belt.

Canyoneers in Zion National Park, Utah

Rappelling in Behunin Canyon, Zion National Park, Utah

Inside a slot canyon

Deep inside Behunin Canyon, June 2010

One thing that canyons teach you about life is that change is a constant.  Last year when we descended into Behunin, it was almost completely dry.  This year, although we didn’t have any swims, we were definitely wading in water up to our knees most of the afternoon.  I suppose that adds a sense of adventure to the day when you don’t completely know what to expect.

A canyoneer rappels in Zion National Park, Utah

On rappel in Behunin Canyon, June 2010

I was happy to have my Dad join us for the Mystery Canyon descent, but back troubles prevented him from joining us in Behunin.  Maybe next year.  The day after Behunin, he and I visited one more slot canyon that I’ll talk about in my next post…

The Canyons of Utah, part 1

Tuesday, June 22nd, 2010

Let the canyons seep into your soul. Allow the quiet, the mystery, the chaos to work its way deep into your being, making you calmer, gentler, sweeter.

–Tom Jones, Imlay Canyon Gear

I’ve just returned from a week-long trip to the greater Zion area in southwestern Utah, exploring a number of canyons.  Two of the canyons within the park itself involved some technical expertise, some large rappels, and for my part, a few butterflies in my stomach.  I was, however, able to carry my SLR body and a lens in a Pelican case and take some photos of this area of Zion National Park that few visitors get to see.

The first canyon we descended was Mystery Canyon, which feeds into Zion’s main canyon.  The beginning of the hike is the descent into the canyon itself.  I use the term ‘hike’ loosely–this is basically a controlled fall, with the hiker braking himself on tree branches, roots, etc, while trying to not kill himself.  This descent has affectionately been named the “Death Gully.”

Mystery canyon in black and white, Zion National Park, Utah

Mystery Canyon, Zion National Park, June 2010

Once in the canyon, the walls closed down around us, leading us through several rappels, ranging from 30-120 feet in length.

The walls of Mystery Canyon, Zion National Park, Utah

Inside Mystery Canyon, June 2010

A hiker canyoneering in Mystery Canyon, Zion National Park, Utah

A canyoneer inside Mystery Canyon, Zion National Park, Utah

Mystery Canyon culminates with two large rappels; the first of which sends you into the icy waters of Mystery Springs, and the second one delivers you straight into the Narrows of the Virgin River, approximately 3/4 mile from the Temple of Sinawava.  Because of its close proximity to the trailhead, you usually have an audience for the final rappel–make sure you don’t do a face plant on the rock!

Because of the high flow through the Virgin River this year, the day we descended Mystery was also the first day the Narrows were open, meaning we were the first group through that canyon this year.  Because of that, we had a significant amount of deadfall to clear, making the going slow.  We left the canyon scratched, battered, and bleeding a little bit, but honestly, it is so exciting to see a beautiful canyon that fewer than 1% of the park’s visitors will ever see.

The next day, we descended Behunin Canyon, which can only be described as BIG.  I’ll share photos from that trip in the next blog post…

Off to Zion

Thursday, June 17th, 2010

Yesterday, I arrived in one of my favorite national parks: Zion.  Nothing screams summer to me quite like splashing through the pools and climbing on the sandstone in this wonderful national park.  I’m meeting some friends in hopes of descending a couple of technical slot canyons, and despite the ropes, harnesses and dry bags, I’m going to try to throw my SLR in as well.  I’m also hoping to take a day to hike up the Narrows of the Virgin River in hopes of getting some shots of the river, red rock walls, and green spring foliage.  However, that part of the plan may be cancelled…

Due to heavy snowfall in the high country all around the west this winter, all of our rivers and streams are flowing higher than normal; the Virgin River is no exception.  As of 6/9, the Virgin River in Zion is flowing at 190 cubic feet per second (cfs); the park service won’t even let people into the Narrows unless the flow is below 120 cfs.  However, the stream flow rate has been dropping steadily, and I’m confident I’ll be able to get into the Narrows.  Also, please don’t get me wrong; I’d much rather have to scrap a photo trip than have no water in the park.  The drought is far from over in the western US, but every little bit does help.

So, here’s to the Virgin River.  Have a fantastic weekend!

Virgin River abstract image, Zion National Park, Utah

Virgin River, Zion National Park, January 2010

To see all of my images from Zion National Park, click here.

Photo of the Month–May

Sunday, May 2nd, 2010

Spring is in full swing in southern California; on our walk tonight, I enjoyed the Brittlebush in full bloom, and noticed several migrant and summer-resident bird species who have arrived in large numbers: black-chinned sparrows, wrentits, indigo buntings, tanagers, etc.  With all of these changes happening, its almost impossible for me not to have “senioritis” of sorts.  By this point in the school year, seniors in high school and college have already mentally checked out, looking forward to their upcoming freedom, thus suffering from senioritis.  In the same way, I’m looking forward to long hikes in the mountains, lazy summer evenings at Mono Lake, and early mornings in the sagebrush of the eastern Sierra.

One of those summer evenings is the inspiration behind May’s photo of the month.  Last summer, on an early August trip to Yosemite and Mono Lake, we enjoyed a fantastic dinner at The Mobil Mart (Whoa Nellie Deli) in Lee Vining, then headed up to Yosemite to follow the sunset out of the park.  I started at Olmsted Point, worked my way east to Tuolumne Meadows, and finally photographed the last light of the day on Mt. Gibbs, the second highest peak in the park (12773′), with the Tuolumne River as a foreground.

This is a 3-image HDR shot I processed in Photomatix.  The river and forest were already in the shade, with the beautiful pink glow left on the peak.  I wanted to preserve as much detail as possible, so I chose to process this as a high dynamic range image.

Mt. Gibbs and Tuolumne River

Mt. Gibbs and Tuolumne River, August 2009

Here’s to your senioritis.  What are you looking forward to this summer?  What great summer memories do you have?

Anacapa Island, Channel Islands National Park

Monday, April 12th, 2010

Last week, I had the opportunity to visit Channel Islands National Park, located off the southern California coast.  The park consists of five islands–Anacapa, Santa Cruz, Santa Barbara, San Miguel, and Santa Rosa–each one with a different ecology and endemic species.  For my first trip out there, I chose to visit Anacapa Island, as it is the most accessible from the mainland, and it has a very unique ecology from the other islands (its geologic origins are different from the other islands too).

Coreopsis blooms on Anacapa Island, Channel Islands National Park, California

Coreopsis blooms on Anacapa Island, April 2010

We almost didn’t arrive on the island, as landing is difficult on Anacapa, and the presence of a large swell almost prevented them from dropping us off.  Luckily, the ocean smoothed out by the time we arrived in the landing cove, so we were able to get off and walk up all 153 stairs to the island.  As I had hoped, the Coreopsis, or tree sunflower, blooms were going strong (the only place you find these flowers is on Anacapa Island and a small patch of land on the mainland).  However, joining us in our relative solitude were ~50,000 nesting Western Gulls.  Have you ever shared a small space with that many gulls?  If you haven’t, its…ummm…noisy.  🙂

Western Gulls and coreopsis

Western Gulls on Anacapa, April 2010

With only 1.5 miles of hiking trails, Anacapa is an easy island to scope out for potential photo compositions.  I spent the afternoon looking for intimate compositions on the island before the sun went down.  With gulls everywhere, it was only natural to include them in my shots.

About 1 hour before sunset, the wind started blowing.  While not bad at first, by the time we walked to Inspiration Point for sunset, it was a full-blown gale.  With wind gusts at nearly 50 miles per hour, how do you keep your tripod in place?  Make a friend anchor it, of course!

How to anchor a tripod in the wind

By the time the sun went down, and we arrived back at camp, the wind was blowing significantly harder: I’d guess it was sustained around 45-50 miles per hour, and gusts were nearly 65 mph (it bent and broke some of our tent poles).  We used guy lines to better secure our tents and went to bed.  It is difficult to sleep when your tent is continually hitting you in the face and chest.  After a few sleepless hours, I got up to a beautiful, windless sunrise over the Pacific.

morning on Anacapa Island, Channel Islands National Park, California

Anacapa morning, April 2010

The photo above shows the water house and the light house on Anacapa (along with a whole bunch of our “friends”).

After packing up and hauling our gear down to the dock, it was time to head home.  Despite the smell and constant sound of the nesting gulls, and the hurricane-force winds, it was a very rewarding visit to Anacapa Island, and I look forward to visiting the rest of the Channel Islands in the near future.

To see all my photos from Anacapa Island, click here.

Ibex Dunes

Friday, February 26th, 2010

After our poor weather at Badwater on Saturday morning, we recovered, and headed to the extreme southeast corner of Death Valley to visit Ibex Dunes.  I’ve wanted to visit Ibex for nearly a year, and was happy to get the chance to make it down there.  I like Ibex for several reasons: it is secluded so solitude is nearly a guarantee, the dunes are taller than those at Stovepipe Wells, so they give some alternative choices for composition, and they are on the way home, so stopping there to camp makes the drive home a little shorter.

As I said in my last post, bad weather can either make for stubborn or amazing light.   The latter was definitely the case on our visit to Ibex.  When we arrived, the sun was behind a thick cloud bank, and I was afraid that would be telling of our entire visit.  However, in the final 15 minutes before sunset, the sun peeked out and lit the dunes and the mountains behind them brilliantly.  The warm tones of the earth contrasted amazingly well with the stormy skies, thus making it one of the best sunset shoots I’ve had in quite some time…possibly ever.  However, the light only lasted about 15 minutes, and we made the 1 mile walk back to the car.

Ibex Dunes at sunset, Death Valley National Park, California

Ibex Dunes and the Saddle Peak Hills, Death Valley National Park, February 2010

The great thing about Death Valley is that you never know what the day has in store for you!

"Self Portrait", Death Valley National Park, February 2010

"Self Portrait", Death Valley National Park, February 2010

To see all of my Death Valley photos, click here.