Saturday, November 10, 2012

Zoo Spotlight: The Living Desert

So at least a few times now, I have used pictures from a zoo we went to in Palm Desert called "The Living Desert."  An awesome zoo, this place (clearly) focuses a lot more on the desert animals of the world, and introduces you to a number of animals that you immediately recognize, and a number of animals that you might not otherwise be able to see at another zoo.  I thought I could share some of the pictures that I took at this exciting place, and recommend it to one and all as an exciting place to visit if you ever pass by that area!
Sand cat

Let's start off with some of the animals that you might not be able to see at most other zoos.  As regular readers know, I am a pretty big fan of cats, and The Living Desert definitely had its fair share!  For example, the "Near Threatened" sand cat (Felis margarita), the only cat that is found primarily in the desert.  One of my favorite small wild cats, the sand cat is found in the deserts of Africa and the Middle East.
Sand cat

Besides the sand cat, The Living Desert also has a few other small cats, including the Arabian wild cat, one of the many sub species of the wild cat, Felis silvestris.  Unfortunately, this little guy was asleep so I didn't get any pictures, but I did get pictures of two of the other smaller felines: the serval, and the bobcat, each of which we have done an Animal Spotlight on.  The serval is native to Africa, while the bobcat lives all over North America, in both forests and deserts.
Sleeping serval
Bobcat on the prowl
Bobcat....stretch!
Other, larger cats can be found at The Living Desert, as well, including the jaguar and the mountain lion (both of which I got no pictures of), as well as the cheetah.  We saw two or three cheetahs, but they were all doing what cats do best: sleeping! 
Sleeping cheetah!

Another very interesting thing about the zoo is the vegetation.  Many people simply pass over it: but if you do stop to take a look at it, you might notice something interesting: a whole bunch of the plants, both in and out of the exhibits, are very prickly!  This is because the people at The Living Desert have done their best to make the vegetation in their exhibits as accurate as possible.  Pay special attention to the trees once you reach the large exhibit with both giraffes and kudu, a type of African antelope.  These incredibly spiky trees are called acacia trees, and these trees are one of the reasons why the giraffe has such an incredibly long tongue.  I've been able to see this tongue first hand on numerous occasion at the Cheyenne Mountain Zoo, including the last time I went with my friend Masaki Kleinkopf, as you can see in this incredible video.  The giraffe has been forced to evolve its incredibly long, prehensile in order to circumnavigate through and around these spiny branches in order to reach the leaves. 
Look at those spikes on those acacia trees!

A picture of myself feeding the giraffes at the Cheyenne Mountain Zoo

Grazing kudu
Another one of my favorite things at The Living Desert was the Miriam U. Hoover Discovery Center.  Indoor and air-conditioned (which, trust me, was very refreshing after being in a desert for a while!), the Discovery Center had a number of things for younger kids to do, but it was definitely worth stopping in, because they had an exhibit talking about the Pleistocene (2.5 MYA - 12,000 years ago) residents of California!  Here are what some of the coolest fossils were.
Mounted giant ground sloth skeleton

A full skeleton of the eight-foot-tall giant ground sloth.  The relationship between extinct South American ground sloths and the extant tree sloths was one of the most important things that influenced Charles Darwin into his Theory of Evolution, more so than the case of the Galápagos finches that most textbooks cite.  During the Great American Interchange, at a time when many South American species were going extinct due to competition from animals coming down the Isthmus of Panama from North America (like Thylacosmilus), the giant ground sloths were actually able to move the other way, with remains being found even as far north as Alaska.  

The skull of Panthera atrox, the North American lion

A skull of the North American lion (Panthera atrox), as well as a skull from Smilodon, colloquially known as the "saber-toothed cat."
The skull of Smilodon

Skulls of Camelops (a type of camel); a dire wolf (Canis dirus), a significantly larger relative of the extant gray wolf; and the Teratorn, one of the members of the family Teratornithidae, a group of birds of prey that lived in North and South America, and includes the largest flying bird known, Argentavis.  Finally, there was a life-sized picture of a mammoth on the wall with a fossil tusk sticking out which was pretty cool as well!
The skull of Camelops
The skull of the dire wolf
The skull of the Teratorn

A size comparison of a mammoth and a human, myself
Now, back to the living!  Here are some more pictures of some of the really cool animals that we saw!  
The "Critically Endangered" addax (Addax nasomaculatus), native to the Sahara Desert
The "Endangered" African wild dog (Lycaon pictus), native to (you guessed it) Africa
American badger
Bighorn sheep
Burrowing owl
Dromedary camel
Caracara
Sleeping fennec fox
Another sleeping fennec fox
Giant tortoises eating
Mexican wolf
Another Mexican wolf.  Despite the fact that this wolf looks like it is snarling, it actually wasn't!  I don't actually know what was going on!
A Mexican wolf running
Pronghorn
There were also tons of lizards running around all over the place!
There was also a really cool, huge, giant train set!  Here are a bunch of pictures of it!

Incredibly detailed: the Monticello vineyards!
Incredibly detailed: Mount Rushmore!
 
 
 
 
 
 
So would I recommend The Living Desert to anyone who is going to be in the area?  You bet I would!  Not only is it an excellent zoo, it gives the visitor an interesting and often difficult-to-find view of desert life from around the world!

Why Did The Great Auk Become Extinct?


Question:  Why did the Great Auk become extinct?

Answer:  Primarily because of human exploitation for its feathers and meat.



For those of you who are unfamiliar with the great auk (Pinguinus impennis), this penguin-like creature (a product of convergent evolution) inhabited the North Atlantic Ocean in the Northern Hemisphere, and became extinct mid-way through the 1800s.  The great auk was intensely hunted by humans in European waters for their down feathers, which were actually used in both pillows and hats, as well as for food.  (Not the down feathers, mind you, but the meat of the bird and its eggs).  It wasn't until 1553, around the time that the nesting sites of the great auk had been all but eliminated on the European side of the Atlantic, that the great auk first became officially protected.  In 1775, people who had broken a law forbidding people from killing the great auk for its feathers were actually beaten publicly! 

Following the local extinction (an extinction of a population of animals in one place, but not an extinction of the animal species as a whole) of the great auk in Greenland in 1815, the sole remaining breeding site of the great auk was a small, volcanic island.  Off of the coast of Iceland, the island was dubbed "Geirfuglasker," after the Norse term for "great auk," "Geirfugl."  In 1830, however, the great auk population on Geirfuglasker came under siege by two elemental forces that it had no hopes of combating: an underwater volcanic eruption and a subsequent earthquake, which combined to destroy the island, terminating most of the rest of the great auks.


Those few auks that survived relocated to the nearby island of Eldey.  Eldey was quite easily accessible to man, however, and the last human-led hunt of the great auk occurred on June 3rd, 1844.  On this last great hunt, a pair of these birds were killed, beaten to death, and their egg was destroyed. 


The last sighting accepted by the IUCN to be legitimate was in 1852 off of the coast of Newfoundland in Canada.
The closest living relative of the great auk is believed to be the razorbill (Alca torda), seen below.

Wednesday, November 7, 2012

Eine Kleine Nachtfuchs: A Little Night Fox

So once again, Primos was successful in her endeavors last night, and we were rewarded with more than two minutes of fox footage!  I set the camera to the video setting, and it recorded the resident red fox enjoying some nibbles, a bit of bait that I had left out for it!  Don't worry, I'm not going to just start posting things at Primos every single day, but the novelty and excitement of it hasn't quite worn off yet, and hopefully it won't for awhile!  Anyways, here is the link to the video!  Enjoy!

Some Foxy Business

Tuesday, November 6, 2012

A Skunky Surprise and the Mimicry of the Steller's Jay

 
 
 
 
 
 
Last night on Primos we didn't get any stupid little kids trying to steal the camera, and we also unfortunately didn't get any foxes, but we did get not one, not three, but TWO visits from a skunk last night!  I have absolutely no idea if the skunks were the same, or whether they were two completely different skunks.  Another, but slightly less alternative, is that there was a whole band of the little, sometimes stinky creatures, and they were all taking turns on jumping into the camera every 13 or so seconds.  (The camera takes 5 pictures in about two or three seconds for every activation of the motion sensor, and then waits another ten seconds before it will again activate).  Again, this hypothesis is slightly less likely, but not impossible.  So enjoy these pictures of the skunk/two skunks/band of skunks!  I also nabbed a picture of the "Least Concern" Steller's jay, a very attractive type of jay (hey, what Jay isn't?) native to the coniferous forests in and west of the Rocky Mountains in North America.

The Steller's jay is quite an interesting little creature, for many different reasons, so let's take a little look-see, shall we?  Let's start off with what I believe to easily be the most interesting tidbit of Steller's jay facts: it will mimic hawks!  The Steller's jay is omnivorous, eating about two-thirds plants, and the other third meat.  So when other birds are at an area where the Steller's jay wishes to feed, it will imitate the cry of the red-tailed hawk, or the red-shouldered hawk.  This, of course, would startle the other animals and cause them to flee, leaving the area devoid of competition from most other animals.  According to my bird book, the blue jay also "imitates hawks expertly."  Another excellent example of avian mimicry! 

The Steller's jay is also the provincial bird of British Columbia, in Canada, and is named for the Georg Wilhelm Steller, the German naturalist who first discovered the bird in 1741.  I wonder whether anyone ever told him that he spelled "George" wrong....

Steller has had numerous animals named after him, including: the Steller's sea cow (an extinct relative of the manatee), the Steller's sea lion, the Steller's sea eagle, and the Steller's eider (which is a type of duck).  He did much of his work in Russia, but is also considered to be a "pioneer of Alaskan natural history."  What a bro!
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