Showing posts with label Nevada. Show all posts
Showing posts with label Nevada. Show all posts

14 May 2011

Final Shots of the Great Basin

I expect that this will be the last of my posts on my trip this April to the Great Basin Desert. Of the four deserts in North America, the Great Basin Desert is the largest and the coldest.


As I drove from Salt Lake City, Utah to Ely, Nevada, my first views of the Great Basin were of the Great Salt Lake Desert, pictured above. Deserts are defined as receiving less than 10 inches of precipitation per year or having evapotranspiration rates that exceed precipitation rates. These conditions, at least on an annual basis, are too dry to support vegetation.


As I continued west, I started seeing salt deposits in places. Eventually, the amount of salt deposits was greater than the amount of sand. At Bonneville Salt Flats (pictured above), the salt hardpan was all that could be seen for miles and miles, causing the desert to appear snow covered. This area is what remains of the 20,000 square mile and 1000 foot deep Lake Bonneville, which existed during the Pleistocene epoch.


Since the early 1900s, Bonneville Salt Flats has been home to the Bonneville Speedway, a test track where numerous land speed records have been set. In 1997, Andy Green set the current speed record of a staggering 763 mph.


After driving out of the salt flats, the scene became more like that above, with scattered big sagebrush (Artemisia tridentata), rabbitbrush (Chrysothamnus spp.), saltbush (Atriplex spp.), and other drought-tolerant shrubs.


This is more representative of the portion of the Great Basin where I spent my two weeks.


As I hope you've been able to see through this series of posts, the Great Basin is home to many stunning views even before the plants begin to flower. As I've said in previous posts, I can't wait to get back here at some point when the vegetation is further along.

13 May 2011

Cave Lake State Park

On one of my final days in Nevada last month, I made a quick stop at Cave Lake State Park, which was just a few miles down the road from our hotel.


As dusk was rapidly approaching on both the day and my two week trip, I took a quick stroll on Twisted Pine Trail. Along the trail were numerous twisted trees, but most of them were cedars instead of pines. These twisted cedars provided intriguing photoraphic subjects.


The gravelly, mountainous desert yields harsh conditions for plants to thrive... I would love to see this place during the growing season.


It apparently doesn't take much soil for the cedars and pines to root into the limestone substrate.


Scenic views at Cave Lake were abundant; the shot below is from the end of Twisted Pine Trail.


I wish I had more time to spend at Cave Lake State Park and other natural areas during my short time in Nevada. Hopefully Lindsay and I can make time to visit this part of the arid west soon.

11 May 2011

Great Basin National Park

Still trying to get caught up from my Nevada trip last month, so here is another set of photos with little commentary. These photos were taken at Great Basin National Park during a quick trip I took there on 17 April.


No, my camera wasn't angled for the photograph above, though it looks like it.


A frothy stream through an aspen forest...


... and a few shots from the point where my trail disappeared...



04 May 2011

Comins Lake

As if we couldn't get enough birding in during our work days at Spring Valley, nearly every day on the way back to the hotel we stopped at Comins Lake. Located in Steptoe Valley, Comins Lake is an artificial lake that was created in 1953 when Highway 93 was realigned, damming Steptoe, Cave, and Willow Creeks.


Although dormant, the plant community immediately surrounding the lake appeared rather interesting, with a dominance of rushes and sedges.


On most days, we only spent a few minutes watching waterfowl on the lake, but on a couple of occasions when I had a bit more time I walked or drove around other parts of the lake and spent more time birding. Comins Lake was very productive and played a huge part in my reaching 80 bird species for my trip list.


I simply could not get enough of the Yellow-headed Blackbirds (Xanthocephalus xanthocephalus - now that's a descriptive Latin name if I've ever seen one... yellow head yellow head). These loud, obnoxious Icterids with bright yellow heads and striking white wing patches were present in large flocks every day at Comins Lake.


I'd only seen Cinnamon Teal (Anas cyanoptera, below) in books and photos, so it was a real treat to see this reddish duck on several occasions at Comins Lake. I was surpried at just how red the males were; females are quite drab, and I was really only able to identify them at long range by their association with the brightly-colored male.


Cinnamon Teals are dabbling ducks, meaning that they feed mostly at the surface. The two ducks below are diving ducks, meaning that they dive for food and often spend several seconds under water. This can be frustrating when trying to photograph them.


Above is a male Ruddy Duck (Oxyura jamaicensis) in breeding plumage. This is an unmistakable duck, with its powder blue bill, red body, black cap, white face, and rudder-like tail that often sticks straight up. If ever there was a cute duck, Ruddy Duck is it.


On the opposite end of the size spectrum for diving ducks is the much larger Canvasback (Aythya valisneria). Those of you familiar with aquatic plants will recognize the specific epithet of the Latin name for Canvasback as the genus for eel grass (Vallisneria americana). The winter buds and roots of Eel grass are said to be the preferred food of this diver during the non-breeding period.


We observed one or two Common Loons (Gavia immer, above) on the lake. One of its alternate names (Great Northern Diver) provides a precise description of the habits of this bird. Common Loons can dive up to 200 feet deep in search of fish to feed upon. Growing to over three feet long, Common Loons can weigh up to 12 pounds; they are not the most graceful of birds in flight.


A common bird on Comins Lake that was intermixed with American Coot (Fulica americana, not pictured) was the Eared Grebe (Podiceps nigricollis), known in some places at the Black-necked Grebe. The birds in the photograph above are in breeding plumage; in non-breeding plumage, they are much less spectacular, with a grayish body, whitish neck and face, and dark cap.


I only saw one gull that was close enough to identify during my trip. Bonaparte's Gulls (Chroicocephalus philadelphia, above) have black hoods when in breeding plumage, but in non-breeding plumage, as I usually see them in Indiana, they have white heads with a small black spot behind the eye. During migration, this species can be seen throughout nearly the entire United States, but to see them on breeding grounds, you would need to travel north to the taiga and boreal forest regions of Canada.


I was excited to see the bird in the photograph above, Brewer's Blackbird (Euphagus cyanocephalus). Brewer's Blackbirds are fairly uncommon in Indiana during migration, but this species is common in the western United States during the summer (and year round in some places). Brewer's Blackbirds can be difficult to distinguish from the more eastern Rusty Blackbirds (Euphagus carolinus), but males of the former are more glossy than those of the latter, and the female Brewer's Blackbird often does not have the yellow iris (seen in the male above), whereas the female Rusty Blackbird does have a yellow iris.


Finally, as I posted previously, one of the highlights for me at Comins Lake was American Avocet (Recurvirostra americana). This shorebird is primarily a western species, but I have seen them on one occasion along Lake Michigan at Indiana Dunes State Park. The very smooth looking plumage, white eyering, and upturned bill makes these birds look cartoonish to me.


Other birds of interest at Comins Lake included Clark's Grebe (Aechmophorus clarkii), Pied-billed Grebe (Podilymbus podiceps), Double-crested Cormorant (Phalacrocorax auritus), Great Egret (Casmerodius albus), Great Blue Heron (Ardea herodias), White-faced Ibis (Plegadis chihi), Gadwall (Anas strepera), American Wigeon (Anas americana), Northern Shoveler (Anas clypeata), Green-winged Teal (Anas crecca), Redhead (Aythya americana), Ring-necked Duck (Aythya collaris), Lesser Scaup (Aythya affinis), Bufflehead (Bucephala albeola), Northern Harrier (Circus cyaneus), Sandhill Crane (Grus canadensis), Long-billed Curlew (Numenius americanus), Common Snipe (Gallinago gallinago), Common Raven (Corvus corax), Tree Swallow (Tachycineta bicolor), Northern Rough-winged Swallow (Stelgidopteryx serripennis), Barn Swallow (Hirundo rustica), Marsh Wren (Cistothorus palustris), Mountain Bluebird (Sialia currucoides), and Western Meadowlark (Sturnella neglecta).

01 May 2011

Nevada Sparrows

There were several sparrows that I hoped to see while in Nevada, and luckily I saw most of them. One (not pictured) was the very drab Brewer's Sparrow (Spizella breweri), which began showing up at Spring Valley the last week that I was there. Brewer's Sparrows are known from southwestern North Dakota to Texas and west in the United States, reaching north into southern Canada and wintering in Mexico. Another sparrow not pictured here was the Black-throated Sparrow (Amphispiza bilineata) a beautiful sparrow with a grayish body, white face stripes and a striking black throat. Black-throated Sparrows are known from the deserts of the western United States and Mexico. Unfortunately, I only saw one Black-throated Sparrow on my trip. Yet another sparrow, which is shown below, was the Sage Sparrow (Amphispiza belli), with its distinctly gray head, black and white mustache stripes, and white breast with distinct stickpin. Sage Sparrows are known for running on the ground between big sagebush (Artemisia tridentata) plants with their tails up... a sight we got very used to seeing at Spring Valley. Sage Sparrows are known from the desert areas of the western United States.


Lark Sparrow (Chondestes grammacus, below) is a primarily western sparrow that has a range reaching as far east as Ohio. I had seen this species in Indiana once before, but it was nice to get a good look with a mountain backdrop. Lark Sparrows have an intricate facial pattern and a dark stickpin on a white breast.


The much more widespread Chipping Sparrow (Spizella passerina, below) is found throughout North America. Chipping Sparrows are easily identified by their rufous cap, black eyeline, and clean gray breast.


I had also hoped to see some new junco species in Nevada, and my wish was granted. We did see the ubiquitous Dark-eyed Junco (Junco hyemalis, not pictured), but more exciting was the subspecies shown below, Oregon Junco (Junco hyemalis oreganus). Oregon Juncos have a black head that is distinctly separated from the brown back; they also have reddish flanks. Common in the western United States, Oregon Juncos rarely make it to Indiana. There has been a pair of Oregon Juncos in St. Joseph County, Indiana since December or so. The property owner has had at least one Oregon Junco show up for the past couple of years.


Another subspecies of junco that we saw was the Gray-headed Junco (Junco hyemalis caniceps), shown below. Note that you may need to click on this photo to see it enlarged to be able to see the junco. The light gray color and rusty back distinguish this subspecies from the other subspecies of Dark-eyed Junco. This is a western subspecies that breads from Colorado to New Mexico and that winters in Mexico.


Other sparrows not pictured here that I saw in Nevada were Vesper Sparrow (Pooecetes gramineus), Savannah Sparrow (Passerculus sandwichensis), and White-crowned Sparrow (Zonotrichia leucophrys).

28 April 2011

Symbols of the Silver State

While in Nevada recently, I had the opportunity to shoot photographs of two of the state symbols.


The state bird of Nevada is the Mountain Bluebird (Sialia currucoides).


The state flower of Nevada is Big Sagebrush (Artemisia tridentata).

I can clearly see why the Mountain Bluebird is the state bird, as it is abundant and brightly colored. Big Sagebrush as the state flower is an interesting choice. It certainly is abundant and it smells wonderful, but its flowers are individually inconspicuous. I would understand if it was the state plant or the state shrub, as in definitely deserves a place as one of the symbols of the Silver State, but surely there are common, widespread plants with more attractive flowers in Nevada.

Spring Valley

The part of Nevada in which I was working recently consists of a series of mountain ranges and valleys oriented north to south. The small town in which we stayed, Ely, is located in Steptoe Valley. To the west of Steptoe Valley is the Egan Range, and to its east is the Schell Creek Range. The highest point on both of these ranges is approximately 11,000 ft. Spring Valley, where we spent most of our days, is to the east of the Schell Range; the Snake Range borders Spring Valley to the east. The highest point in the Snake Range is Wheeler Peak, at over 13,000 ft. This is the highest point in Great Basin National Park, and the highest peak in Nevada. The highest point in Nevada is Boundary Peak on the Nevada-California border; this point is technically not a peak because the peak of the White Mountains (to which Boundary Peak belongs) is actually on the California side of the border.


Welcome to Spring Valley! Some of the more common plants throughout the valley include Big Sagebrush (Artemisia tridentata), Bud Sage (Artemisia spinescens), Greasewood (Sarcobatus vermiculatus), Yellow Rabbitbrush (Chrysothamnus viscidiflorus), Winterfat (Krascheninnikovia lanata), and Fourwing Saltbush (Atriplex canescens). Unfortunately, very little was in flower when I was there.


During my stay, I took numerous photographs of this sagebrush desert valley with mountainous backdrop.


By the end of my trip, you couldn't take more than a few steps without seeing one of these reptiles darting into a burrow. This is a Sagebrush Lizard (Sceloporus graciosus), also known as a bluebelly because of the blue coloration on their undersides.


With all of the thorny, shrubby vegetation in the sagebrush desert, Loggerhead Shrikes (Lanius ludovicianus) are right at home, and by the end of my trip were one of our daily observations. These predators hunt insects, lizards, small rodents, and other birds, and then impale them on thorns as they tear them apart for a tasty meal.


Spring Valley is a windy place. We were battered by relentless winds nearly every day. As a result of these winds, dust devils like the one above are a common site.


Wheeler Peak was almost always in clouds or haze. Above and below are a few photos of Wheeler Peak when it was most visible.



In my last post, I mentioned that we watched the Burrowing Owl from 6:30 am to 7:00 pm. This gave us the opportunity to watch the sun go down on Spring Valley, and provided me with some interesting photo opportunities.



27 April 2011

Western Burrowing Owl

One of the highlights of my trip to Nevada was seeing a Western Burrowing Owl (Athene cunicularia hypugaea), a small species of owl found in grasslands, deserts, agricultural land, and other open habitats. Burrowing Owls hunt both during the day and at night, catching mostly insects during the day and small mammals at night.


Why is it called a "burrowing" owl, you ask?


The photograph above says it all; Burrowing Owls nest and roost underground in burrows. Be sure to take a look at the top right portion of this photo, where you can see the approximately 8 inch tall Burrowing Owl perched above his burrow. Although Burrowing Owls are capable of digging their own burrows, they more often use burrows initially created by prairie dogs, ground squirrels, badgers, etc. They even find artificial structures, such as culverts, pipes, or burrows intentionally created by humans for Burrowing Owl use inhabitable. In fact, given the choice of an artificial burrow or a natural burrow, Burrowing Owls apparently often choose the manmade structure.


Even though they are able to use artifical structures as burrows, and even though they can withstand disturbance (see Jim McCormac's post on the Burrowing Owls in Cape Coral, Florida), Burrowing Owl populations are unfortunately declining. According to a source from California, the plummeting populations are due to several factors, including habitat loss and fragmentation, removal of rodents that create burrows later used by Burrowing Owls, burrow destruction, pesticide use, predation by non-native species, vehicle strikes, collisions with wind turbines, and shooting; in addition, many states allow "passive relocation" of the owls, but without creation of adequate artificial burrows there is no guarantee that relocated owls will survive (http://www.physorg.com/news204388626.html).


Burrowing Owls are very attentive and alert, but they blend in to their environment so well and stay so still that they can easily be overlooked or mistaken for a clump of dirt. While in Nevada, Brad Woodward and I watched a Burrowing Owl nonstop from 6:30 am to 7:00 pm one day. During that time, it only left its perch for 20 minutes, when it flew to its burrow as a Swainson's Hawk flew by. The only other movement we noticed was turning its head and ejecting a couple of pellets.


In addition to its small size, bright yellow eyes, white eyebrows, and white chin patch, Burrowing Owls have long legs and large feet, as seen in the two photographs below. They also lack ear tufts and are spotted on the back and barred on the front. These characteristics coupled with the habit of being perched on the ground are all you need to know you are looking at a Burrowing Owl.


You know what they say about owls with big feet, don't you?


One Native American tribe believed that Burrowing Owls were protective spirits for brave warriors, and their feathers were worn by warriors to frighten their enemies. You may think, "who would be afraid of this tiny, cute little owl..."


... after seeing the photograph above, I can see why this tribe thought their enemies would be frightened by feathers from a Burrowing Owl!