Nature Study 2: Continued research

Story by BearPawer on SoFurry

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#2 of Nature Study series

The good Doctor continues his research...


After a long day of collecting some specimens from two more polar bears today I returned to my cabin to rest. Both of the polar bears we worked with today were female and both fairly young and healthy. While working on one of them I was curious about how it would feel to explore some of my alternative research practices on one, but after further work I wasn't too keen on the idea. I just had to face the facts; polar bear pussy was not very arousing to me. Besides I had no idea how to get myself some alone time as I had the day before, but one sample collected from the female bears had proven overly large. The female hormonal booster worked differently than the male one. It triggered the production of intense levels of stimulation so samples could be collect of estrogen levels in her blood which would be present during a mating season. A side effect was also the production of intense mating pheromones in her urine sample. I had an idea and took the overflow of the one sample for my "private research".

So there I sat at the portable chemical lab set and was processing the sample to remove the "In heat" pheromones. After I had isolated the scent I condensed it and used a gel suspension to store the substance. I was curious to see how my friend in the ships' hold would react to this polar bear "popper" during tonight's special research time. I had also worked on calculations with my subject's height and weight to produce sedative levels that would produce differing stages of sleep so he could be more responsive during our sessions.

I left my cabin and entered the hold where my subject was kept in a large caged enclosure. I pressed the crew into the duty of keeping the hulking male bear's cage clean at all times. Fresh snow was hauled in daily to keep the floor of his cage covered so the bear would be less stressed. The snow also served as a kind of saw dust that aided in keeping the cage clean as frozen mess easier to shovel out. I had managed to get a large supply of walrus and seal blubber from connections with one of the Inuit crewmen as part of our supplies. Normally it was planned to use as bait to attract polar bears if we encountered any difficulties in finding subjects, but this was proving to be unnecessary so I used it as treats for my bear. It was one of these large slabs of blubber that I dosed with my altered sedative and placed aside.

I went to the bear's enclosure and entered, the polar bear was kept in a different part separated by bars and a door. When cleaning the bear was lured into the other side with a treat and the door closed behind him so the snow on the other side could be replaced during cleaning. It was on this side that I prepared an indention in the snow by a set of bars for my subject to rest after he was dosed. I set his specially prepared treat in the middle of the indenture so he would have reason to near it, I didn't look forward to trying to moving 1500 of pounds of polar bear later. Having finished I left the cage and closed the gate behind me then levered the separation door open so my friend could come to explore my offerings.

All while I had worked in the other side of his enclosure my subject had stayed sprawled out on the snow in his side. He just lay there with his massive head resting upon his crossed forepaws and watched me with those dark brown eyes. When the door opened that separated him from the other side he was startled by the sound and had lifted his head in response. With the door open it took his a short time to catch the smell of the blubber I had left him. With great sniffing sounds he arose from his position and slowly approached the now open door. He stopped at the entrance and slowly poked his head into the other portion of his enclosure still sniffing the air and stood there for a moment and looked in my direction. I made no sound and stood well away from the bars near his food source. After some moments he appeared to deem me no threat and casually sauntered into the second portion and made his way towards the treat I had left for him. After he had cleared the door and appeared focused on his meal I slowly levered the door back closed sealing him the second portion. He stopped and turned his head towards the now closed door and once more looked at me searchingly with his eyes and sniffed in my direction a twice more. The smell of the food was more interesting and he returned his attention back to the food. Once he made it to the depression he sniffed the blubber only twice and then sat down and started to chew on the semi frozen chunk and it no time had swallowed it.

With more un-medicated blubber in hand I carefully moved towards the bars separating us. Given his large size he appeared to show no fear of me and made no effort to move as I approached him. I decided to stop well away from him to start with and proceeded to toss small nuggets of seal blubber to him which landed in the depression. Over time he would come to associated me with bringing food and with normal exposure start to be tolerant of my presence. After a few nuggets; which he would scarf down quickly, he just looked at me curiously and I back at him. Over the next twelve minutes as I fed and drew closer to him it was becoming apparent that the sedative was taking effect. He became less responsive to the food I offered and sat down now as he craned his head down to recover the blubber nuggets. Finally he lost interest in the food altogether and slumped back into the indenture and lean against a large mound of snow I had gathered up against the wall while preparing the "love nest". He gave a mighty yawn and I was reminded of his dangerous carnivore nature, but he would be so out of his mind that he wouldn't have much strength and no speed to move.

The drug in this form would last several hours as its original form did but now would produce a dream like effect on him instead fully putting him to sleep. I smile as I looked at his dark brown eyes which now drooped somewhat and possessed a familiar far off distant focus. As I returned to enclosure door to enter I grabbed a hand dart gun loaded with the more potent form of the drug just his case. If the bear became problematic a dart in his current state would put him fully under in a matter of moments. I was horny after all not stupid.

With dart gun in hand, a male hormonal booster and the pheromone "popper" in my legging pocket I cautiously entered the enclosure and left the door open in case a hasty escape was required. With care, I walked towards him making no sudden or aggressive motions. The bear; from his reclined position, just gazed at me as I approached with a slack expression on his long muzzle. Given his drugged state he paid me little attention at first and just rested his massive head on his chest. I studied him once more as I drew nearer and was again amazed at his hulking size. According to the tooth sample we took from him he was only 10 years of age and was in the prime of his life. I studied his massive fore and hind paws with the heavy white fur between them and the non-retractable sharp black claw tips peeking from under that dense fur. His belly was large and dense fur covered his lower abdominal area which was why it was hard for an observer to judge a polar bear's sex just by looking. The great bear was not fat as his blubber was spread evenly over his body and he possessed a great stocky build with thick muscle apparent under all that fur. His head; which now rested on his chest, was long and angular in the characteristic polar bear adaption for swimming and it all rested upon that long thick neck. The key sign I paid most attention to were his small round ears. They were relaxed and didn't respond to my snow crunching footfalls, a good sign he was relaxed and out of it. Finally, I stopped before him and put the booster and popper in my pocket. I removed my gloves and tossed them on the snow at my feet. Slowly I reached out to his knee and gently placed my hand upon his thick fur to gauge his responsiveness. He flinched a bit at my touch and raised his head from his chest to look at me.

"Hello again big guy." I said with a smile. He only gazed at me vaguely with unfocused brown eyes.

"I have something special for you to try, so are you up for some more fun?" I joked with him as I removed the items from my pocket. I kneeled down before him and readied the syringe with the booster and injected him in his thigh without a flinch from him. All the while he just lazily watched as I worked.

"From now on you will be more awake to enjoy our little fun and with luck participate some as well." I then gently stroke his furry thigh and stood up.

Getting no hostile responses from my physical contact with him I prepared myself for further contact. I set the dart gun in a holster pocket of my warm top and then unstrung my pants and let them fall. Stepping out of them I now stood before the bear naked from the waist down, the chill air in the room didn't do much for my exposed self, but I wanted more contact with him this time and the smell of his musk once the booster took full effect would drive me to full arousal in no time at all. Slowly I kneeled on my leggings and ran my hands through his dense warm fur on his abdomen. I looked up again as his head and watched his reactions to me; his only response was what could only be read as a silly grin on his muzzle and droopy eyelids.

"I sure wish I could know what was running through your fuzzy ursine mind my friend." I remarked as I gently rubbed his furry stomach. The bear only responded with a deep sniff.

"Hmm, what is that touching me?" he sniffed. His thought forms scattered in his daze.

"I don't know what it is, but it smells familiar from the other time I felt this odd."

"I don't know what it did to me last time but maybe it will happen again." He grunted as memories of pleasurable feelings swam in his mind; triggered by the creature's scent.

As I continued to gently rub him he startled me with a soft grunt, but closed his eyes as he relaxed. Some minutes later as I continued to rub him to help him to become relax in my presence I became aware of his growing musky scent. With a free hand I reached down to caress his dense leathery scrotum within now resided his massive orange sized testes and I knew he was ready to begin.

With both hands I started to gently rub his sheath and awaken its slumbering occupant. I removed one hand; retrieving the pheromone gel container from my leggings I set it upon is ample belly. Even with it sealed the polar bear's superior sense of smell would detect a faint scent of the mating pheromones within. Get started to sniffing and raised his head to look vaguely around.

"What's that?" crossed his mind and he starts sniffing the air. He wasn't able to focus to well on the effort. His body on the other hand was guided by instinct as the scent of pheromones triggered excitement and a deep seated desire to reproduce.

While he sniffed the air his cock in my hands started to respond more quickly than last time. As more blood was directed to his quickening erection and it was emerging from its protective covering. Even his precum had started to flow more quickly of which I covered my right hand with and used to lube up my own now rock hard penis. His thick warm lubricant felt amazing on my shaft and my own precum began to mix with his as I stroked my fist. Gathering more from his now fully emerged hard cockhead I then brought my hand down towards his tail. After searching around I founded my desired target and slowly inserted a finger partially into him. Maybe it was the effects of the pheromones or his awakened dream state, but his sphincter only clinched vaguely at my finger's invasion. Heartened by his reactions I took time to gently rub the lips of his tight black pucker causing him to shift his stubby tail even more out of the way.

"So your eager tonight are you mister?" I could only grin as he stopped looking around and once again focused his attention on me.

"Hmmm, there is no one else around except for this creature." Feelings of something entering his anus barely reach his mind. He senses only a little discomfort at it, but then it is replaced by a pleasant rubbing of his tail hole instead. "Maybe the mating scent was coming from the creature before me." He grunted again and thought of the pleasure of mating. He shifted about to make himself more comfortable as whatever was happening to him continued. Whatever was happening to him it was felt too wonderful so far to care.

As I pleased myself with the smooth warm feeling of his anus I noticed the bear give anther grunt and he shifted himself into a deeper reclined position which fortunately almost moved him into a better mounting level for me. With him appearing fully receptive to me I guided my hard nine inches of meat stick to his awaiting hole. Once the head of my cock touched those warm lips I waited a moment and watched him as I started to enter his massively powerful body.

The rubbing pleasure around his anus had stopped and before he could register it in his wool dense mind he felt something larger brush at his end. Whatever it was seemed to want to steadily pressure its way into him. Suddenly a deep pain shot through his mind and momentarily seared the fog in his mind away and he could only grunt and growl as the invading thing was trying to be expulsed from his body. Try as he might though he could not force whatever it was out of him, but at least it had stopped. Through the pain he felt something warm leaking from his rectum but he was focused on the intruder and paid it little attention.

I had to stop after only the head of my cock had passed his sphincter because he suddenly clamped shut so hard I was overloaded by the feeling. I barely noticed the deep growl that came from deep in his chest as its vibration through his body felt amazing. Without meaning to I started to cum while his anal muscles pulsed and work madly to evict me from him. I held my place and allowed him time to become accustom to me once again being inside his body. Last time he was a fully asleep so I would have to take it more slowly with him this time. As I allowed myself a moment to recover I could feel some of my own cum back flowing down my cock shaft. Deciding to help my friend relax more I reached up to the pheromone container and fully unfasten the lid. Soon he would be flooded by them and I proceeded to lean forward over him and guide his rock hard cock into my mouth. With his ten and a half inches of long thick bear cock there was no way I could swallow his entire shaft. As I suckled on his engorged penis my own cock slipped out of him. The wonderful salty tangy taste of his cock flooded my mouth causing me to lick and suck on him madly.

Slowly the pain was fading and the warm fog engulfed his mind once more. He once again relaxed under the effect and as the smell of an in season female grew stronger. Before it could fully click in his sluggish brain he felt something pulling his cock away from his belly followed then by the most amazing experience flooded his senses. Something warm engulfed the head of his cock and was sucking with such force that his large brown eyes crossed unnoted under his heavy eyelids. Whatever had been trying to enter his anus also withdrew, but he rather focused on the vastly more mind blowing experience he was now enjoying. Raising his heavy feeling forepaws he reached down and rested them on the back of whatever was doing this to him. Whatever it was causing the pleasure, don't let it stop he thought weakly.

_ _

I sucked and licked as furiously as I could, and he rewarded me with continuous flow of precum. As I enjoyed myself with his bearhood I felt him moving beneath me also felt the weight of his massive paws gently come to rest upon my back.

"So you're a hugger are you stud?" I couldn't help but think to myself. This was simply amazing and I started to lose myself in the whole experience. After ten minutes or so of sucking his long and wonderful cock he started to gently thrust upwards and almost choked me as six or more inches slid down the back of my throat. I pulled my off of him and coughed. This was too hot to keep up but there was no way I could take him all the way. But soon a better and more intense idea quickly entered my mind; I gently crawl upon his great stomach all the while he never removed his paws from their warm embrace about me. Finally, I had managed to move myself upon the middle of his torso and was now in position to attempt my daring plan. I pushed the scent container closer to his nose and then reaching behind me I grabbed onto his throbbing black cock. Gently I rubbed the head up and down the crack of my own ass preparing it for him. Once it was covered by his ample thick precum I position the head at my own hole.

"Well stud, it seems only fair that if I am to going to fuck you; that you also have such a chance with me." And with great ease I pressed downwards onto him and surrender my own virginity to him; an experience we now both shared with each other.

It was about as painful as I had expected and I tried to allow myself time to acclimate, but he seems to have other thoughts on the matter. No sooner than the pain was fading he held me tightly with his paws and began to push forward with his hips. I grabbed his fur in my hands and held him tightly as inches slowly began to disappear into me. Panting hard against the strain I broke into a cold sweat after unknown inches had shrunken between us. At one point he hit some resistance from me and I shifted about some to get more comfortable. Whatever small discomforts I felt was nothing compared to the wonderful feeling of his warm throbbing cock now inside my body. While I shifted around he seem to relax his grip on me and I was able to arch myself off his chest more. I was becoming warm in my top so I work my way out of it and let it slide off him onto the snowy floor. When I removed my top garment I must have shifted into a better position for him because his cock started to move forward again and in no time I felt his great furry balls against my exposed ass. Once completely inside of me he held motionless as I could feel his deep breathing. I too took a breather to regain my composure.

The sucking and licking ravaging his cock was intense. His mind reeled from the flood of sensations and the strong scent of heat filled his nose. His mind was only use to the mild levels of input from his few prior mating experiences, but this was greater than all of past experiences combined. Soon he wanted to take part in his own pleasure and started to thrust into that overwhelming warmth and suction. But after only a few humps the warmth disappeared and the suction stopped.

_ _

"What's happening now?" he wondered as he felt something moving around between his hind paws and the feeling of an increased weight told him something was laying on his stomach. Whatever it was he still held onto so it must be the same creature doing this to him. Soon his mind was overloaded as the scent grew even stronger and he felt something warm once again engulfing his bearhood. The warmth slowly moved its way down his shaft and was shockingly tight, but desire had over taken him and he started to push upwards with his own strength. Slowly his length entered the warm tight tunnel. Only part way in he felt he could not move forward any more, puzzled he continued to push gently into whatever it was atop him. The thing seemed to move around under his enfolded forepaws and after some work the resistance effect grew less and he continued his efforts. Finally, he felt he had sheathed all his flesh into the tight warmth and all the work had left him breathless from the effort. Cock now fully entrenched he had to rest.

Minutes slowly passed and we both continued to collect our strength. Once I had regained my breath I removed myself from my lover's embrace and sat upright with his cock still fully buried inside me. I was blown away when I felt his organ throb and pulse with each beat of his great heart along with the growing warmth inside me as his precum started to collect deep within. Slowly at first I began to rise up from his great body and the sensation of his cock sliding out of me was thrilling, half still inside me I push back down onto his buried cock. The effect drew a grunt from the bear and so I repeated the motion again and received anther lustful grunt from my partner. Once more I arose off his massive frame and withdraw myself completely from his impaling cock only to wait a moment then forcefully sat back upon it. Reaching his root in mere seconds caused stars to swim before my eyes once more, but the intense pleasure was worth it.

Slowly it started to move itself up and down the bear's shaft and once even fully removed itself from him. But it would soon slide back down his shaft once more and each time the bear could only grunt with lust as waves of pleasure ripped through his body setting every nerve aflame with intense pleasure. Unable to stand much more of it all he reached with his forepaws and feeling for the creature he wrap his paws around its middle. Then as lust took control he began to thrust deeply upwards into the creature that was doing things to him he never experienced before. With each upwards thrust he grunted and growled with pleasure and the creature continued to bounce upon his painfully hard cock increasing the pleasurable feelings to even new heights of intensity. As moments passed the bear could feel the approaching limits of his endurance and the tingling sensation in his great loins as his orgasm approached.

The experience I felt could only be described as an earthquake of amazing pleasure. While the bear's cock was buried to deeply to hit my prostate I did feel it as his shaft rubbed it with each of the bear's upwards thrust into me. Time passed and my cock grew harder as the bear continued to breed me. Minutes of steady thrusting and I could feel his cock growing harder within me. Then with one last deep thrust I felt his cock spasm madly and waves of hot polar bear seed flooded into me. As he deposited his seed within me a deep growl rocked his body as his stamina was spent. Too much cum filled me and I could feel some begin to leak from my rear. I rested for a few minutes and felt his cock deflating inside me and sooner than I would have liked it fully retreated back into his sheath. I could feel his tired limbs loosen their hold on me and I gently slid myself back down to rest upon my knees between his great hind paws.

"Wow big guy that was the most amazing experience I have ever had." I could only grin up at the drained bear and pant as he looked down at me through his tired eyes.

I rubbed my hard cock and his furry thigh at the same time. "My turn now buddy."

I could feel his sperm warmly in my ass and I reached around and rubbed my hand between my ass cheeks. I brought the hand back around front, rubbed his seed onto my shaft, and then applied the rest to his tail hole. He was too tired from his orgasm to seem to care as my finger entered his hole without much resistance. I then placed the head of my cock at his entrance and with both hands resting on his thighs I once more began to enter him.

Overwhelming euphoria flooded his mind and the pleasant fatigue after a good mating washed over him. Never had he experienced such a mating as this before, whatever this creature was it was mind boggling. Having reached his explosive release it had been so intensely pleasurable it had almost hurt. The creature upon his stomach had climbed back down between his hind paws once his spent cock had withdrawn. As soon as he had rested he would have to explore this creature more and with luck be able to find it again. As he relaxed in the slowly fading feelings of his expenditure he felt something at his anus again and it was pressuring its way into him. Too tired to resist the intruder again he tried weakly to expel it once more from his body. Weak and with his mind still heavy in the pleasant fog he could only panted as he felt the invader continue into him.

Weakly the bear's sphincter contracted and pulsed in its attempts to remove me from his body once more, but I was determined and continued to push forward. In no time I had fully hilted myself into his tight black anal sheath. I was excited by the intense smell of his musky scent which had built up to a staggering thickness while the bear had bred him. As I withdraw myself I could feel his anal lips tighten and try to suck my cock back in. I thrust into him again and felt my balls brushed by his twitching stubby tail, once I tried to withdraw again the bear surprised me by wrapping his hind legs around my waste. I grinned when I looked up to find his eyes were closed again and his long purplish tongue protruded from the right side of his partially agape muzzle. So with his legs around me I bowed forward embracing his large stomach as best as I could and I made fast small thrusts and withdraws into his sucking pucker. He grunted more with each trust as I returned the favor and took my time breeding him.

Too mentally spent the bear was vaguely aware of the sensations the intruder inside him was causing. But as pleasure returned to engulf his mind once more he began to respond eagerly again. He became aware that this feeling was different; while there was some pain as the intruder tore into him it also produced a surprisingly intense pleasure. Soon the pain he felt faded and the pleasure intensified all of which once again triggering a familiar stirring in his massive loins. Not wanting the resurgence of wonderful feelings to disappear the bear wrapped his hind legs around whatever it was that was doing this to him. His anus felt amazing and was responding it ways he never felt before. As the intruder withdrew itself he could only feel empty but thankfully the intruder returned and buried itself deeply into him and then began a slow but steady breeding rhythm. He felt something lean over his abdomen and he responded by leaning towards and once more laying his great forepaws on the back up whatever the creature was. His instincts balked as he was rutted like a she bear, but an overwhelming urge to give into whatever it was soon took hold and so other instincts took over while he grunted, growled, groan with each breeding thrust.

I maintained my steady assault on his hole and he grunted, growled and groaned in pleasure. Forepaws holding my shoulders and hind paws wrapped around my waste I had little room to move; such close contact with warm his warm white fur and my skin was thrilling. As I continued he began moving his tail about which felt great as my balls rubbed over it. My own stomach was rubbing over his balls and I could feel them drawing up once more. Then without his cock even emerging from his sheath; his warm cum flooded out of the sheath's opening and covered our compressed abdomens. Even after completing a second orgasm in so short a time the bear still held onto me and seemed to pull me closer to his body. I sped up the pace of my thrusting and was surprised when his purple colored tongue gently slid across my left cheek and forehead. I looked up into his great deep brown eyes and noticed little of the dazed glaze in them; instead I only saw focused determined intent. I began to near the limits of my own stamina and my scrotum draw up tightly as my cock spasmed and throbbed deep within his tightening tail hole. It was then I felt a third orgasm rock the bear causing his massive body to shack. He let loose a deafening roar and I continued to thrust deeply into his suckling black pucker despite the overload of sensitive feelings flooding my brain from my hypersensitive cock head. His hind legs nearly crushed me as he squeezed me as deep into him as I physically could. Finally, with all his great strength apparently spent he collapsed onto his back and his paws released their trembling grip on me. I too was exhausted to move and simply lay sprawled across his gut with my cock still firmly lodged and pumping my seed up his ravaged rectum.

I rubbed his belly and inner thighs affectionately and he raised his head to look weakly at me. I exhaled deeply and felt tired from all the built up excretions.

"Rest well you big brute, we both damn well deserve a good one after a night such as this."

I started to withdraw my cock from him and noticed it was still hard. Ignoring the painful feelings I gave the bear a few more playful thrusts into his hole causing him to groan wearily, but he still lifted his hide leg to allow me better access into his love hole. I smiled fondly at him, withdraw self fully from his body and stood. Recovering the pheromone gel container; I resealed it and took my other things from the bear's enclosure. I looked over at the great ice bear sprawled out on his side and noticed he was breathing the soft even pace of sleep.

"Rest well my friend, I will see you tomorrow." And after locking his cage I returned to my cabin to shower and also seek much needed rest. Before sleep over took me I replayed the night's actions in my mind and could only wonder at what the great polar bear had thought through the whole thing. Too tired to give it more thought I feel asleep myself.