The Town Common

    Every once in a blue moon I get all G'd up on these hair brain ideas to getting up early and strike out on an adventure. Most of the time the buck stops at the alarm clock the next day, but for some reason this morning I am able to vault myself out of bed at 6:00am. I shove an orange down my throat and snag my bag on the way out of my dorm room. This morning I had planned to cycle up to the Town Common, which is a local nature park on the North side of town. From a quick look at the Google maps, I guessed about a 12k bike one way, so maybe after I returned I would've put around 27k under my tires, and a few more under my own two feet.

    As I ride out of campus on the thick morning air, the beams of sunshine start to cook away the night's humid air. I cross the Ross River, and as I glance at the water I spot a huge freshie! What a site! A 2.3m fresh water croc just floating in the open water right below me. This is a fully grown adult size as far as freshies go. I snap a few quick pics and ride on.
    This bike ride took much longer than I had expected. Given the flat landscape of Townsville, I had reckoned it wouldn't take but 35-40 minutes. I entered the park around 45 minutes and the dirt roads here are worse then back home. The wash boards and pot holes are short and deep and my deep fried quads are struggling to keep my body lifted and the pedals moving.

    I finally bail off my bike a few k's before the trail head I'm heading to so I can refuel and hydrate a bit. The scenery here is gorgeous!

    Once I make it to the trail head, I shackle my bike to a tree and hobble up the stone trail. Gosh, I feel like an old man or a new born baby colt trying to work these tired legs. But as my land legs return, I find more and more breath taking views a top the ridge. And I see more and more trails I'm going to have to try next time I make it up here.
     After a few k's of hiking I spot a small snake. A whipsnake by the looks of him and his speed! Whipsnakes are lean slender Elapid snakes. This could be any of the three species that occur here; my ID isn't perfect. But unfortunately there are many rocks and ground cover all over this steep hills side and he is gone before I can catch him or snap a picture.
    At the midpoint of my hike, I take a seat on a rock with a commanding view to eat an apple. This sounds like a glamorous, charlatan idea until I notice that my skin feels like it's on fire and I find that I'm under siege by a hoard of green ants.
    As I head back to my bike, disheartened by the lack of reptiles for the morning and exhausted from my adventures, I spot a chunky body form with scales on it right smack in the middle of my path. My initial delirious reaction was "Yes! a death adder (beautiful snake, highly venomous)" Then I saw the legs "Oh, blue tongue skink! Well that's cool too!"

    Blue tongue skinks are sort of a hallmark species for Australia as far as herps go. They have  a marvelous wide blue tongue they use to mop up enormous amounts of ants and other insects, and they also use these tongue as a formidable defensive posture. These lizards aren't fast at all, and their only defense in camo or acting really scary.

    This guy afforded me plenty of excellent pictures and I bid him good bye so he could continue his fest of ants on the trail.
    As I rode home, I relished to sense of success in seeing some breath taking views and one very unique skink. After I arrived back at my dorm, I plugged in the GPS coordinates of my rides and hikes for the day, and was incredulous at the fact that I had rode just shy of 33km and hiked 10km. So I decided to retire the rest of the day to my room.

Pre-Party Herping . . . Python!

Addictions. That is the theme of our floor party tonight. Most of the students on my dorm floor will probably just tape empty Goon bags all over themselves, because let's face it, many of my dorm neighbors find enjoyment in alcohol. I'm the odd ball, even though my costume is simply a mask with "Poker Face" written on it, and a playing card neck piece, my real addiction is wildlife.

I love spending my time in the bush. It doesn't matter what I'm doing before or after, or even more tired I am, I'm always keen for a walk through the bush. On this particular night, the night of my floor party, I fancied going for a walk on my way back to my dormitory. Yes, the floor party started an hour ago, but who even shows up on time to these things?

After a significant detour, only seeing a gecko Gehyra dubia, I decide to follow the creek back through campus to my Hall.

I notice a set of bright white eyes, reflecting my light beam back, and my heart starts to pick up the tempo. Upon closer inspection, I find it's a common bushtailed possum Trichosurus vulpecula. Gosh these guys are adorable! I  approach this one so closely I can even see his breathing increase with nervousness as I near. As a car passes on the road behind us, he decides this chance is a great excuse to bound away up a tree.

My creek walk turns to go under a building, and right before the building, I see a whopper of a python, thermo-regulating to digest a small meal on the bare bank of the creek. What a beautiful creature! She has no concern of my presence here, so I snap a few up close photos and take a few measurements before heading off to my dormitory.

Encounters with a these 2.3m long pythons, or sneaking in close to possums are what I particularly relish. Times like these give me a feeling of natural belonging and a connection to fundamental instincts that are so scarce in this day and age. And as I sit with my "poker face" on, sipping on my water, I watch the games of beer pong at the floor party; I am utterly confused about the whole ecology of the "college party ecosystem."

Good Morning Monotreme

The faint sound of my iphone chiming some tune drifts in and out of my dreams and I dismiss the mumble as rubbish. Then, the next thing I know, my friend Vidhu is knocking on my door and I spring out of bed, in my boxers. I open the door and greet him with an "I'm up. See ya in the DTR"

Today is mountain day. Us 18 Uni Hall students have woken up at 4:00 am to climb Castle Hill in hopes of watching the sun rise over the majestic coast of Townsville.

So I put some clothes on, grabbed my bag, and shot a cup of tea in the microwave for a pre-hike pump. As I round the last stair case to the DTR (the hall lobby) I'm greeted by 8 of my good friends, Some running off 5-6 hours of sleep others running off 1 or 0 hours of sleep. Tiredness does weird things to people. Some of them were bouncing off the walls with energy, others couldn't keep their eye's open, and the people like me drowsily amble about but with the focus and reflex of a tiger.

Only a short drive stood between us and the base of the hill. But my group got side tracked. . .
"What's that?" Said someone.

 I said, "It's an Echidna! Right on!"
Vidhu said, "Quick, pull the car over! Dylan catch it."
As I bailed out of the car, I muster the very basic knowledge I knew of the Echidna from mammalogy class and random videos I'd watched. As I approached the Echidna realized the threat and started digging. Echidna's are very similar to the porcupines we have in the USA because they are covered with spikes. I'd like to think the Echidna's spikes are more numerous and uniform than our porcupine. So when the Echidna feels threaten, it started to dig and wedge it's vulnerable belly side to the ground, holding itself in place with it's massive digging claws, while its formidable spikes do the defense bidding against potential predators. Catching Echidna is simple if you have tough hands, just flip them over onto one hand, and they curl up into a ball of spikes.

I was pleased to successfully catch my first Echidna. These special mammals are monotremes. They are egg laying mammals, and they are the oldest surviving mammals on earth. I'm nerding out holding this spike ball in my hand because I realize the years of ecological significance this species has been through.

After a few pictures, I set my Echidna friend down and bid him farewell. As we drove on up the hill, he ambled off to eat some more ants.

What a Wonderful Wallaman

My father and step-mother came to visit me for a week in my tropical place of study. I was very happy to see them. And to celebrate the occasion, we decided to do a little sight seeing.

Wallaman Falls is the largest single drop water fall in Australia, and I had wanted to go see it even before I arrived here in Oz. So I figured this would be a perfect stop on our way up to Cairns from Townsville.

So after my Friday morning lecture we started up Bruce HWY and arrived at the Falls around noon. Breath taking views of the gorge were plentiful and so was the blistering sun. So we decided to head off down the trail to cool off at the pool of the falls.

 On this walk through the semi-wet tropics I became over frustrated because there were skinks everywhere, but abundant habitat everywhere as well. Thus, I was unable to catch any skinks :( but I did see two new species: the Flecked Monitor (Varanis tristis) and the Major Skink (Egernia Frerei) 

Once at the bottom of the gorge, we were greeted with a small sign that said something about danger and slipper rocks, or something, but I didn't really read it. I was focused on making my way to the water. After negociating many large and slipper boulders I was able to swim in the very cool water where I was met by a large eel. I know nothing about eels, but I'm pretty sure this guy wasn't afraid of me and thought I might be worth a sniff. The water clarity was not great. So after a short swim, I scrambled back over the rocks to head back. The walk down to the gorge where the pool is located isn't bad, but coming back up will whip your bums into shape.

A Case of Misidentificaiton

One fine night, I was wandering through the back woods of campus catching Cane Toads for a masters student's research project. Bats zoomed in and out of the road culverts, catching the mossies our DEET repellent feebly fended off. As we walked through the bush, we waved a stick aimlessly up and down in front of us to hopefully avoid a face full of spider web. I also enjoy bringing a choice stick, just in case I find a snake I'd like to catch or take pictures of.

 Our mission was to catch female toads for a dissection study; also in hopes of removing pregnant females from the wild. As I walk up the dry creek bed of smoothed over river stones, I spotted a pair of large bright eyes, and as I approached the toad I noticed it was even a female. Excellent! Success after small effort, and the search continues.

 As I stumble up the stony creek bed, toad in one hand and stick in the other, I notice a movement to my left. As my head swivels toward the movement, I noticed it was a snake! What luck! But I didn't have my tongs or tubes and this looked convincingly like a King Brown snake. After I cautiously rounded the snake to under a rock, I sprinted back to my dorm, grabbed my tongs and tubes, and returned to the rock. My Safe Handling of Venomous Snakes training served me well as I confidently tubed the snake for identification. And to my chagrin, it was only a harmless Keelback Snake. Though not the glamorous King Brown Snake I had originally thought, it was still a new species for me :)

Biggest Snake Yet!

As you know, I'm a reptiles guy. So I'm that odd ball you may have seen walking around campus at night catching geckos and frogs in the creek; This is called "herping". If you hear your mate is going out herping one night, it means he's going to go look for snakes and lizards, and any other reptiles or amphibians he can find.

 Back in the states, I have two good friends that like to go herping with me, but here in Oz everyone seems keen for herping. This is really great to see so much enthusiasm for wildlife, so my mate Harrison and I usually try to assemble a good consortium of hikers for the nights when we go herping.
 This particular night, we were headed out to the Ross River, which is a short 15 minute walk from campus. With our head lamps a lite we searched the grass and scrub-scape for eyeshine. Spider eyes were everywhere, so it takes a trained herper to differ between spiders, toads, frogs, and geckos. Snake eyes generally don't shine as much as other herps, but occasionally they may stick out amongst the habitat.

 It wasn't long until Harrison spotted our first snake. A Brown Tree Snake (Boiga irregularius). This is the species that is wrecking the bird populations on Gaum. They are a pretty hardy and quite common invasive species. I think they are very interesting and pretty. This Colubrid is mildly venomous, but basically harmless. To my surprise he bit me, whilst I was fiddling with my camera and not watching him. First snake bite here in the Southern Hemisphere! Not surprisingly, I had no reaction to the bite, and we carried on to explore the river.
 We noticed several Asian House geckos (H. frenatus), some White Lipped and Green Tree Frogs, Cane Toads everywhere (R. marina) and even a Tawny Frogmouth, which made my bird expert Paul super happy. Then as I swept my light across the trees for gecko eyes I noticed a dull mark, which looked like a Cane Toad in a tree. It was just interesting enough for me to take a closer look.

 "Snake guys! I've got a snake here!" I hollered to the group. "Looks like a carpet Python" I said as I looked at it's head and a foot of its body on the branch.

 "Holy crap, man, come look at the rest of this thing" I heard from the other side of the tree. And as I round the tree trunk I noticed a huge body and tail hanging just low enough to grab. Immediately after I grabbed the snake, it tried to pull away! Even so much that it was lifting me off the ground. As it did so, his head came lower on the other side of the branch. So I reached around and grabbed his head, and we were able to tickle him off his branch for a safe capture. After some measurements and pictures, we bid this 2.3m (7'6") female carpet python farewell, and went back to campus.

Summarizing Natural Science

It's exciting to discover knowledge about our beautiful world, but sometimes reading the latest in science can be very taxing on the mind. So I've summed two publications about invasive reptile species for your reading pleasure.

Invasive species have a knack for dominating native species like a Hulk on steroids, and the first species I'd like to mention even reminds me of the Hulk. The Cane Toad (Rhinella marina) is 'smashing and bashing' its way right across Australia. Cane Toads eat many native animals but almost nothing eats the Cane Toad because it's toxic to eat. The Cane Toad produces a toxin, called bufadienolides, as a defense against predators.

 This research project http://classic.rspb.royalsocietypublishing.org/content/early/2012/06/11/rspb.2012.0821.full
shows how we can dish the colossal Cane Toad a taste of it's own toxin. . . Literally.

Cane Toad tadpoles will eat other Cane Toad eggs. How crazy is that. When mother Cane Toads hop in the water and lays her eggs, the other baby Cane Toad tadpoles smell her bufadienolide toxins and swim over to gobble up all those eggs. So the researchers tried trapping Cane Toad tadpoles with bufadienolide as lure, and it worked! It may be possible to trap all Cane Toad tadpoles from a body of water in a few days' time.

The next invasive reptile is Boiga irregularis aka the Brown Tree Snake. The researchers http://www.jstor.org/stable/3892747?seq=1#page_scan_tab_contents
wanted to determine if the snake used venom or constriction to kill its prey.

To find the answer, the researchers looked at two groups of Brown Tree Snakes while they were feeding. One group had their venom glands seal, and the other group was left untouched. Since both groups killed their prey in the same amount of time, the researchers concluded that the venom does not play a role in killing the prey.