Showing posts with label reptilia. Show all posts
Showing posts with label reptilia. Show all posts

Creature Feature: Cuban Iguana.

Tip: You can tell how loose a state's animal laws are by how awesome their zoo is. If the reptile house in San Antonio was any indication, there were indeed some loose laws and low paperwork for venomous snakes. I did not expect to see this in the reptile house, either, and since a friend of mine's a big iguana fan, here goes:
Screw sourcing, I took this one.



The lizard lounging above is a Cuban iguana (Cyclura nubila), currently listed as "vulnerable" in terms of conservation. It is primarily an herbivore. This iguana lives in the rockier parts of Cuba, and is closely related to the Cayman Blue Iguana. It does not give a single flip that its island is communist, and walks around Guantanamo Bay quite freely. How fortunate that lizards can still enjoy the island because it's an island.

Cuban iguanas have some weird things about them just by being iguanas. All iguanids have what's called a "parietal eye" on top of their heads. It's a white dot that can detect light and shadow. The iguana's third eye is very active; their real eyes also have red scleras. There's more: their herbivorous diet, in this case, is supplemented by roundworms instead of the multiple stomachs and bacteria that ruminants have. This is just general iguana stuff- bet you didn't know they were strange by default.

Now THAT is eye-popping! Source.


Another weird thing: these iguanas are immune to cacti. Not just "they eat the stuff without getting pricked" - Cuban iguanas thrive around cacti. They make their nests in cacti, probably because other animals will avoid it. The cactus serves as a fortress complete with food. It's hard to get better than that.


Bizarrely, the Cuban iguana is probably the only reptile which has been viewed positively by the U.S. government. In a case concerning the legality of goings-on at Guantanamo Bay, attorney Tom Wilner pointed out that one could be punished for killing a Cuban iguana on-base, but torturing people was A-OK. Interesting argument, and props for looking it up. Not many lawyers would care about iguanas, even if they were endangered. Nicely done. 

Luckily, there are plenty of captive-bred Cuban iguanas. Most of the ones in the pet trade actually come from a feral population released south of Puerto Rico. Zoos breed them all the time. There is literally no need to take these guys off of Cuba, which is a good thing, considering humans, cats, dogs, and swine are responsible for the decline of the native population. They'll make a comeback; maybe the next leader of Cuba will be a lizard. ;)

Bio-Art: Snakeskin Nails.

***NOTE: Apologies for not doing an entry yesterday. There were two successive power outages that more or less prevented it from getting posted. Tuesday will have a double-header to make up for it. ***

As a person, nail art is one of the few forms of "makeup" I get remotely excited about. Time not withstanding, it's one of the easier types of body decoration out there. I also happen to be a reptile keeper who enjoys the aesthetic qualities and personalities of her serpents. So, naturally, snakeskin as a nail design tool caught my attention.



To clarify, this is not done with the skin of the snake as seen on handbags or shoes. Snakes occasionally shed their entire skins, leaving behind ghostly husks of their former selves that quickly dissolve into nothingness. This habit of appearing dead for a few days and emerging from the shed with a shiny new coat of scales has led the snake to be seen as a symbol of immortality.

The first technique I heard of involved, somehow, heat-cracking the snakeskin. My immediate thought was that this would make fragile, lacy skins shrivel up and burn after just a few minutes. Maybe this was just in order to sanitize the sheds, but it did not make initial sense. It makes more sense after seeing how it was done in this video:



The technique is actually simple, albeit time-consuming: cut some shed skins to the parameters of your nails and stick 'em on, sealing them with either a fancy sealant like Terri has or, for us cheapasses, with clear nail polish. Try it with a colorful undercoat if you're feeling creative; the hint of brown or gold natural in pigmented sheds looks quite cool. (Yes, I just tried some of my own sheds on my nails.)

The bitch of the treatment is the price: 300 USD and over two hours' worth of time. Also, you'd think that this woman could market it better; just call it "dragon nails" instead of snakeskin and a whole new pile of money would appear. Plus, it's Year of the Snake; this woman should be rolling, just for finding a use for a skin that most people would toss into the trash.

P.S.- Yes, there are easier, cheaper ways to get the snakeskin look. I found a few red herrings while looking for that link.

Creature Feature: Chinese False Cobra.

Well!  Today is the first official day of the Chinese Year of the Snake! What better way to celebrate than do kick things off with a Chinese snake, eh?

chinese false cobra 045
(This photograph belongs to its rightful owner. They are very lucky to have such a gorgeous, rare snake!)

This will probably be the first look at a Chinese False Cobra (Pseudoxenodon bambusicola) for many of you. It's native to the cool mountain forests of China. The species is rear-fanged venomous, so handle with care. In the wild, it feeds almost exclusively on frogs. This habit carries over into captivity.

The reasoning behind it being a false cobra is simple: like a cobra, this snake can flatten out a few ribs and raise its head. As Tom Crutchfield, one of the few people who works with these snakes, says, they're "the best monocled cobra mimics. Ever." 

Other than that, this snake is hard to find information on. This is largely because it's all but unheard of in the pet trade. You really have to know someone who's seen one, then done the homework, go to China and pray to Nuwa (China's local snake-bodied deity) that you can snap a pic, or randomly find it in a reptile magazine. Some Indian reptile guides also cover this species. Other than basic field information, very little is known.

These are not beginner's snakes. For starters, yes, they are venomous. There are only a select few people who will breed them, which means either spending a lot of money or getting parasitized wild imports. Finally, they only eat frogs, and nobody has found a way around it. That means no buying mousecicles for Chinese false cobras. Even pros have trouble keeping this shy, fairly docile snake alive. Please try something like a kingsnake or ball python before getting into cobras of any kind!

Just between you and me, I should have done a blue or more black snake for this entry. Happy Year of the Snake- don't worry, snakes guard your money like dragons do their treasure!

Newsflash: TWO New Species Found In Vietnam.

One of the biggest reasons to save the rainforest involves finding new species. National Geographic does not slack in that regard, showing us a few new species that have only been documented in January of 2013. Here are two new herps recently identified in Vietnam:

Source.


This colorful fellow is called Calotes bachae. It is an agamid lizard, meaning that it is related to agamas and Uromastyx lizards. Since there are indeed several hundred agamids in Asia, this one is in good company. There are even other light blue ones to keep the male of this new species company.


As per the National Geographic article here, "During mating season, the colors of the male lizards—which can measure up to 11 inches (28 centimeters)—become especially vivid, ranging from cobalt blue to bright turquoise. This serves to attract females and to intimidate other males, said Hartmann.
While by day the lizard's blue and green coloration is striking, at night it appears dark brown, "showing no bright coloration at all," said Hartmann, a Ph.D. candidate at the Herpetology Department at the Museum Koenig in Bonn, Germany." Surprisingly enough, this striking lizard can be found in downtown Ho Chi Minh City, as well as some reserves. 

Source.


The other big discovery is Helen's flying frog, named after the researcher Jodi Rowley's mother. Ironically, it was found on a log instead of in the trees.

Flying frogs are pretty cool on their own, but this one has extra adaptations for parachuting from tree to tree. The hands are huge, even by flying frog standards; the hind legs are webbed on almost the entire limb. If this gliding style has kept it from being discovered, it's gotta be pretty effective!

Unfortunately, both of these unusual creatures are threatened by habitat loss and too much contact with humans. Both of them were also found fairly close to civilization. Go outside sometime; you might be surprised what can be found close to your house.

Creature Feature: Perentie.

Blah, porcupines. No matter how neat porcupines and horned gophers are, this blog needs more badassery. Enough about rodents. Let's just dive right into today's dose of badass, shall we?



Crikey! This fine Sheila is called a perentie (Varanus giganteus), and she's native to Australia. Perenties, being monitor lizards, are carnivorous and have astounding forked tongues. Like many monitors, they also have amazing skin patterning.

Crocodile Hunter jokes aside, perenties are the largest lizards in Australia. They can get over 2.5 meters (8 feet) from head to tail. Larger adults can even take down kangaroos, which, it merits reminding, can kick most predators to death and drown others. Perenties will eat virtually any kind of meat, however...including each other.

It looks so chill...then you see the claws.


Some of you are probably wondering why monitors are called "monitors," anyways. The answer lies in one particular behavior that many monitors, including the perentie, exhibit: they can "tripod," i.e. stand on their hind legs using their heavy tails like an extra foot. They do this to "monitor" their surroundings - just like we use a monitor to see what our computers are up to.

Despite their size, perenties would rather run than fight. They are notoriously shy. Perentie claws are meant to dig burrows in a flash. They can also climb trees very well. Excellent camouflage means that, all things considered, they are even hard to see while standing still. Guess that hardcore ecology down under has taught them a thing or two over the eons.

As with other types of monitors, yes, some people keep perenties as pets. They go for roughly 2,000 USD and you definitely need a license to keep one. There is still debate over whether perenties are venomous or not, but given the damage those teeth might do regardless, best leave handling them to people experienced with reptiles. Get a plushie instead.
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